@article{1256049788, author = {Gerth, Frank}, title = {Cubic fields whose class numbers are not divisible by $3$}, journal = {Illinois J. Math.}, volume = {20}, number = {4}, year = {1976}, pages = { 486-493}, language = {en}, url = {http://dml.mathdoc.fr/item/1256049788} }
Gerth, Frank. Cubic fields whose class numbers are not divisible by $3$. Illinois J. Math., Tome 20 (1976) no. 4, pp. 486-493. http://gdmltest.u-ga.fr/item/1256049788/