@article{FAA_1976_10_3_a15,
     author = {V. L. Popov},
     title = {Representations with a free module of covariants},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {91--92},
     publisher = {mathdoc},
     volume = {10},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1976_10_3_a15/}
}