@article{1250130128, author = {McKelvey, R. and Bohac, Robert}, title = {Ackerberg-O'Malley resonance revisited}, journal = {Rocky Mountain J. Math.}, volume = {6}, number = {4}, year = {1976}, pages = { 637-650}, language = {en}, url = {http://dml.mathdoc.fr/item/1250130128} }
McKelvey, R.; Bohac, Robert. Ackerberg-O'Malley resonance revisited. Rocky Mountain J. Math., Tome 6 (1976) no. 4, pp. 637-650. http://gdmltest.u-ga.fr/item/1250130128/