@article{DAN_1974_218_1_a3,
     author = {I. A. Kipriyanov and N. A. Kashchenko},
     title = {On an averaging operator connected with a generalized shift},
     journal = {Doklady Akademii Nauk},
     pages = {21--23},
     publisher = {mathdoc},
     volume = {218},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_218_1_a3/}
}