@article{1178241282,
author = {Mut\^o, Yosio},
title = {Some critical mappings},
journal = {Tohoku Math. J. (2)},
volume = {25},
number = {4},
year = {1973},
pages = { 487-498},
language = {en},
url = {http://dml.mathdoc.fr/item/1178241282}
}
Mutô, Yosio. Some critical mappings. Tohoku Math. J. (2), Tome 25 (1973) no. 4, pp. 487-498. http://gdmltest.u-ga.fr/item/1178241282/