@article{1138845083,
author = {Hiromi, Genk\=o and Niino, Kiyoshi},
title = {On a characterization of regularly branched three-sheeted covering Riemann surfaces},
journal = {Kodai Math. Sem. Rep.},
volume = {17},
number = {1},
year = {1965},
pages = { 250-260},
language = {en},
url = {http://dml.mathdoc.fr/item/1138845083}
}
Hiromi, Genkō; Niino, Kiyoshi. On a characterization of regularly branched three-sheeted covering Riemann surfaces. Kodai Math. Sem. Rep., Tome 17 (1965) no. 1, pp. 250-260. http://gdmltest.u-ga.fr/item/1138845083/