[1] D. Dikranjan: 
Sur la minimalité dies produits de groupes topologiques abéliens. C.R. Acad. Sc. Paris t. 299, Série I, No. 8 (1984), 303-306. 
MR 0761252[2] R. Frič, F. Zanolin: 
Remarks on sequential convergence in free groups. Colloq. Math. Soc. János Bollyai, 41. Topology and Applications, Eger (Hungary), 1983, North-Holland, Amsterdam, 1985, 283-291. 
MR 0863910[3] R. Frič, F. Zanolin: 
Coarse convergence groups. Convergence Structures 1984 (Proc. Conf. on Convergence, Bechyně 1984). Akademie-Verlag Berlin, 1985, 107-114. 
MR 0835476[4] R. Frič, P. Vojtáš: 
Diagonal conditions in sequential convergence. Convergence Structures 1984 (Proc. Conf. on Convergence, Bechyně 1984). Akademie-Verlag Berlin, 1985, 77-94. 
MR 0835474[5] L. Fuchs: Infinite abelian groups I, II. Academic Press, New York 1970, 1973.
[6] J. Jakubík: 
On convergence in linear spaces. (Slovak. Russian summary.) Mat.-Fyz. Časopis Sloven. Akad. Vied 6 (1956), 57-67. 
MR 0084718[8] J. Novák: 
On some problems concerning the convergence spaces and groups. General Topology and its Relations to Modern Analysis and Algebra (Proc. Kanpur Topological Conf., 1968), Academia, Praha 1970, 219-229. 
MR 0278253[9] J. Novák: 
On convergence groups. Czechoslovak Math. J. 20 (1970), 357-374. 
MR 0263973[10] J. Novák: 
On completions of convergence commutative groups. General Topology and its Relations to Modern Analysis and Algebra III. (Proc. Third Prague Topological Sympos., 1971), Academia, Praha 1972, 335-340. 
MR 0365451[11] I. Prodanov: 
Precompact minimal group topologies and p-adic numbers. Annuaire Univ. Sofia Fac. Math. 66 (1971/1972), 249-266. 
MR 0412323[13] F. Zanolin: 
Solution of a problem of Josef Novák about convergence groups. Boll. Un. Mat. Ital., (5) 14-A (1977), 375-381. 
MR 0451220 | 
Zbl 0352.54017[14] F. Zanolin: 
Example of a convergence commutative group which is not separated. Czechoslovak Math. J. 34 (1984), 169-171. 
MR 0743481 | 
Zbl 0546.54007