@article{DAN_1975_223_1_a5,
     author = {R. J. Grabovskaya and V. I. Kononenko and V. B. Osipov},
     title = {On a family of generalized shift operators},
     journal = {Doklady Akademii Nauk},
     pages = {27--30},
     publisher = {mathdoc},
     volume = {223},
     number = {1},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_1_a5/}
}