@article{1102959509, author = {Klassen, V. M.}, title = {The disappearing closed set property.}, journal = {Pacific J. Math.}, volume = {43}, number = {3}, year = {1972}, pages = { 403-406}, language = {en}, url = {http://dml.mathdoc.fr/item/1102959509} }
Klassen, V. M. The disappearing closed set property.. Pacific J. Math., Tome 43 (1972) no. 3, pp. 403-406. http://gdmltest.u-ga.fr/item/1102959509/