@article{1270130481, author = {HAYAKAWA, Eijirou}, title = {On Some Branched Surfaces Which Admit Expanding Immersions II}, journal = {Tokyo J. of Math.}, volume = {14}, number = {2}, year = {1991}, pages = { 1-6}, language = {en}, url = {http://dml.mathdoc.fr/item/1270130481} }
HAYAKAWA, Eijirou. On Some Branched Surfaces Which Admit Expanding Immersions II. Tokyo J. of Math., Tome 14 (1991) no. 2, pp. 1-6. http://gdmltest.u-ga.fr/item/1270130481/