@article{1255630886, author = {Heller, Alex}, title = {On the classification of filtered modules}, journal = {Illinois J. Math.}, volume = {5}, number = {1}, year = {1961}, pages = { 412-419}, language = {en}, url = {http://dml.mathdoc.fr/item/1255630886} }
Heller, Alex. On the classification of filtered modules. Illinois J. Math., Tome 5 (1961) no. 1, pp. 412-419. http://gdmltest.u-ga.fr/item/1255630886/