Thampuran, D. V.
Normal neighborhood spaces
Rendiconti del Seminario Matematico della Università di Padova, Tome 45 (1971) , p. 95-97
Zbl 0235.54001 | MR 315643
URL stable : http://www.numdam.org/item?id=RSMUP_1971__45__95_0

Bibliographie

[1] Kelley, J.L.: General Topology, Princeton (1968). MR 239550 | Zbl 0157.53002