@article{DAN_1962_146_4_a4,
     author = {I. M. Gel'fand and M. I. Graev},
     title = {Categories of group representations and the classification problem of irreducible representations},
     journal = {Doklady Akademii Nauk},
     pages = {757--760},
     publisher = {mathdoc},
     volume = {146},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_4_a4/}
}