@article{1178245112, author = {Sagawa, Akira}, title = {On the existence of Green functions}, journal = {Tohoku Math. J. (2)}, volume = {7}, number = {3}, year = {1955}, pages = { 136-139}, language = {en}, url = {http://dml.mathdoc.fr/item/1178245112} }
Sagawa, Akira. On the existence of Green functions. Tohoku Math. J. (2), Tome 7 (1955) no. 3, pp. 136-139. http://gdmltest.u-ga.fr/item/1178245112/