@article{1206126876, author = {Abe, Makoto}, title = {On the union of 1-convex open sets}, journal = {Hiroshima Math. J.}, volume = {28}, number = {3}, year = {1998}, pages = { 139-147}, language = {en}, url = {http://dml.mathdoc.fr/item/1206126876} }
Abe, Makoto. On the union of 1-convex open sets. Hiroshima Math. J., Tome 28 (1998) no. 3, pp. 139-147. http://gdmltest.u-ga.fr/item/1206126876/