[2] R. Frič:
Sequential envelope and subspaces of the Čech-Stone compactification. General Topology and its Relation to Modern Analysis and Algebra, III (Proc. Third Prague Topological Sympos., 1971). Academia, Prague, 1972, 123-126.
MR 0353260
[3] R. Frič:
Regularity and extension of mappings in sequential spaces. Comment. Math. Univ. Carolinae 15 (1974), 161-171.
MR 0339081
[4] R. Frič V. Koutník:
On sequentially complete spaces. To appear.
MR 0454894
[5] V. Koutník:
On sequentially regular convergence spaces. Czechoslovak Math. J. 17 (92) 1967, 232-247.
MR 0215277
[6] P. Kratochvíl: Convergence of multisequences and its application to probability measure theory. (Czech). Ph. D. Thesis, MÚ ČSAV, Praha, Czechoslovakia.
[7] J. Novák:
On convergence spaces and their sequential envelopes. Czechoslovak Math. J. 15 (90) 1965, 74-100.
MR 0175083
[8] J. Novák:
On sequential envelopes defined by means of certain classes of continuous functions. Czechoslovak Math. J. 18 (93) 1968, 450-465.
MR 0232335