@article{1183527778, title = {Research problems}, journal = {Bull. Amer. Math. Soc.}, volume = {72}, number = {4}, year = {1966}, pages = { 220-223}, language = {en}, url = {http://dml.mathdoc.fr/item/1183527778} }
(éd.). Research problems. Bull. Amer. Math. Soc., Tome 72 (1966) no. 4, pp. 220-223. http://gdmltest.u-ga.fr/item/1183527778/