@article{1183521438, title = {Research problems}, journal = {Bull. Amer. Math. Soc.}, volume = {63}, number = {6}, year = {1957}, language = {en}, url = {http://dml.mathdoc.fr/item/1183521438} }
(éd.). Research problems. Bull. Amer. Math. Soc., Tome 63 (1957) no. 6, . http://gdmltest.u-ga.fr/item/1183521438/