@article{DAN_1995_345_5_a5,
     author = {V. V. Napalkov and A. W. Komarov},
     title = {Commutants of the differentiation operator on principal},
     journal = {Doklady Akademii Nauk},
     pages = {599--600},
     publisher = {mathdoc},
     volume = {345},
     number = {5},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_345_5_a5/}
}