@article{1183485888, author = {Franklin, Philip}, title = {A qualitative definition of the potential functions}, journal = {Bull. Amer. Math. Soc.}, volume = {30}, number = {9-10}, year = {1924}, pages = { 41-50}, language = {en}, url = {http://dml.mathdoc.fr/item/1183485888} }
Franklin, Philip. A qualitative definition of the potential functions. Bull. Amer. Math. Soc., Tome 30 (1924) no. 9-10, pp. 41-50. http://gdmltest.u-ga.fr/item/1183485888/