Bulletin of International Mathematical Virtual Institute (Bull. Int. Math. Virtual Inst.) (20210101), 11, no.~3, 539-543. ISSN: 2303-4874 (print).eISSN: 2303-4955.
Subject
54 General topology -- 54C Maps and general types of spaces defined by maps 54C08 Weak and generalized continuity 54C10 Special maps on topological spaces