@article{1183524933, author = {Levin, Frank}, title = {Solutions of equations over groups}, journal = {Bull. Amer. Math. Soc.}, volume = {68}, number = {6}, year = {1962}, pages = { 603-604}, language = {en}, url = {http://dml.mathdoc.fr/item/1183524933} }
Levin, Frank. Solutions of equations over groups. Bull. Amer. Math. Soc., Tome 68 (1962) no. 6, pp. 603-604. http://gdmltest.u-ga.fr/item/1183524933/