@article{1183526084, title = {Research Problems}, journal = {Bull. Amer. Math. Soc.}, volume = {70}, number = {6}, year = {1964}, pages = { 499-501}, language = {en}, url = {http://dml.mathdoc.fr/item/1183526084} }
(éd.). Research Problems. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 499-501. http://gdmltest.u-ga.fr/item/1183526084/