@article{1195523708, author = {Hanai, Sitiro}, title = {On open mappings, II}, journal = {Proc. Japan Acad.}, volume = {37}, number = {10}, year = {1961}, pages = { 233-238}, language = {en}, url = {http://dml.mathdoc.fr/item/1195523708} }
Hanai, Sitiro. On open mappings, II. Proc. Japan Acad., Tome 37 (1961) no. 10, pp. 233-238. http://gdmltest.u-ga.fr/item/1195523708/