@article{DE_1972_8_11_a20,
     author = {I. M. Karasev and S. K. Kumykova},
     title = {On the question of the integration in $K'$ of differential equations with a generalized {\v {C}eby{\v} s}ev operator},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2080--2081},
     publisher = {mathdoc},
     volume = {8},
     number = {11},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_11_a20/}
}