@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/