%\begin{thebibliography}{99} % assumes less than 100 references
%\bibitem{14}

%س. یاسمی، م. پورنکی، مقدمه‌ای بر نظریه مدول‌ها. انتشارات علمی دانشگاه صنعتی شریف، چاپ دوم، 1386.

%براي رفرنس لاتين
\resetlatinfont
\begin{LTRitems}

\bibitem{Arhangel’skii}
A.V. Arhangel’skii, Mappings and spaces, Russian Math. Surveys 21 (1966) 115–162.

\bibitem{A.V.Arhangel’skii}
A.V. Arhangel’skii, Bisequential spaces, tightness of products, and metrizability conditions in topological
groups, Trans. Moscow Math. Soc. 55 (1994) 207–219.

\bibitem{Arhangel’skii ,Reznichenko}
A.V. Arhangel’skii, W. Just, E.A. Reznichenko, P. Szeptycki, Sharp bases and weakly uniform bases versus
point-countable bases, Topology Appl. 100 (2000) 39–46.

\bibitem{A. Bouziad}
A. Bouziad, Every Cˇ ech-analytic Baire semitopological group is a topological group, Proc. Amer. Math.
Soc. 24 (3) (1998) 953–959.

\bibitem{Burke}
D.K. Burke, Covering properties, in: K. Kunen, J. Vaughan (Eds.), Handbook of Set-Theoretic Topology,
North-Holland, Amsterdam, 1984, pp. 347–422.

\bibitem{Chen}
Y.Q. Chen, Note on two questions of Arhangel’skii, Questions Answers Gen. Topology 17 (1999) 91–94.

\bibitem{ Choban}
 M.M. Choban, Topological structure of subsets of topological groups and their quotients, in: Topological
Structures and Algebraic Systems, Shtiintsa, Kishinev, 1977, pp. 117–163 (in Russian).

\bibitem{ Ellis}
R. Ellis, A note on the continuity of the inverse, Proc. Amer. Math. Soc. 8 (1957) 372–373.

\bibitem{caviglia-thesis}
R. Engelking, General Topology, PWN, Warszaw, 1977.

\bibitem{Engelking}
S. Garcia-Ferreira, A. Garcia-Maynez, On weakly pseudocompact spaces, Houston J. Math. 20 (1994) 1.

\bibitem{Montgomery}
D. Montgomery, Continuity in topological groups, Bull. Amer. Math. Soc. 42 (1936) 879–882.

\bibitem{Nagami}
K. Nagami, Σ-spaces, Fund. Math. 61 (1969) 169–192.

\bibitem{Eisenbud-comm}
P.J. Nyikos, Metrizability and the Fréchet–Urysohn property in topological groups, Proc. Amer. Math.
Soc. 83 (1981) 4.

\bibitem{ Nyikos}
E.A. Reznichenko, Extensions of functions defined on products of pseudocompact spaces and continuity of
the inverse in pseudocompact groups, Topology Appl. 59 (1994) 233–244.

\bibitem{Ravskij}
O. Ravskij, Private communication, 2001.

\bibitem{Roelke}
W. Roelke, S. Dierolf, Uniform Structures on Topological Groups and their Quotients, McGraw-Hill, New
York, 1981.

\bibitem{Uspenskiˇı}
V.V. Uspenskiˇı, Compact factor spaces of topological groups and Haydon spectra, Math. Notes 42 (1987)

\bibitem{McAuley}
L. P. McAuley, A relation between perfect separability, completeness and
normality in semi-metric spaces. Pacific J. Math. 6 (1956), 315-326.

\bibitem{Bing}
R.H. Bing, Metrization of topological spaces, Canad. Math. J. 3 (1951),
175-186.

\bibitem{Bing}
R.H. Bing, A translation of the normal Moore space conjecture, Proc. Amer.
Math. Soc. 16 (1965), 612-619.

\bibitem{A. Okuyama}
A. Okuyama, On metrizability of M-spaces, Proc. Japan Acad. 40 (1964), 176-179.

\bibitem{BORGES}
CARLOS J. R. BORGES ,ON STRATIFIABLE SPACES ,Pacific J.math.17 (1966),1-16.
\bibitem{Kelley}
J. L. Kelley, General Topology, Van Nostrand, New York, 1955.
\bibitem{Siwiec}
F. Siwiec, On defining a space by a weak base, Pacific J. Math. 52 (1974), 233-245.
\bibitem{Rocky}
Rocky Mountain ,Generalizations of the first axiom of countability,  J. Math. 5 (1975), 1-60.
\bibitem{Siwiee, Nagata}
F. Siwiee and J. Nagata, A note on nets and metrization, Proc. Japan Acad., 44
(1968), 623-627.
\bibitem{Arkhangelʹskiĭ}
A. V. Arkhangelʹskiĭ, Mikhail Tkachenko ,Topological Groups and Related Structures, atlantis press, 2008 - Mathematics - 781 pages
\bibitem{ Hart,Mill,P Simon}
K.P. Hart, Jan van Mill, P Simon, Recent Progress in General Topology III,Atlantis Press, Dey 19, 1392 AP - Mathematics - 903 pages
\bibitem{Juhász}
Juhász, István (1979). Cardinal functions in topology
(PDF). Math. Centre Tracts, Amsterdam. ISBN 90-
6196-062-2.
\bibitem{ Liu}
C. Liu, A note on paratopological groups, Comment. Math. Univ. Carolin. 47 (2006) 633–640.
\bibitem{ zenor}
Zenor P., On spaces with regular G-diagonals, Pacific J. Math. 40 (1972), 759–763.
\bibitem{Arhangel’skii,Burke}
Arhangel’skii A.V., Burke D., Spaces with a regular G-diagonal, Topology Appl. 153
(2006), 1917–1929.
\bibitem{Ceder}
J. G. Ceder, Some generalizations of metric spaces, Pacific J. Math., 11 (1961),
105-125.
\end{LTRitems}
\end{thebibliography}