@article{DAN_1987_297_1_a1,
     author = {M. L. Gorbachuk and I. V. Fedak},
     title = {The {Cauchy} problem for an operator-differential equation connected},
     journal = {Doklady Akademii Nauk},
     pages = {14--17},
     publisher = {mathdoc},
     volume = {297},
     number = {1},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a1/}
}