@article{1138844370,
author = {Oikawa, K\^otaro},
title = {Welding of polygons and the type of Riemann surfaces},
journal = {Kodai Math. Sem. Rep.},
volume = {13},
number = {1},
year = {1961},
pages = { 37-52},
language = {en},
url = {http://dml.mathdoc.fr/item/1138844370}
}
Oikawa, Kôtaro. Welding of polygons and the type of Riemann surfaces. Kodai Math. Sem. Rep., Tome 13 (1961) no. 1, pp. 37-52. http://gdmltest.u-ga.fr/item/1138844370/