@article{03895882, title = {Weak openness and almost openness.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {7}, year = {1984}, pages = {35-40}, doi = {10.1155/S0161171284000041}, zbl = {0562.54020}, language = {en}, url = {http://dml.mathdoc.fr/item/03895882} }
Rose, David A. Weak openness and almost openness.. International Journal of Mathematics and Mathematical Sciences, Tome 7 (1984) pp. 35-40. doi : 10.1155/S0161171284000041. http://gdmltest.u-ga.fr/item/03895882/