@article{DE_1994_30_8_a13,
     author = {F. E. Lomovtsev},
     title = {A boundary value problem for even-order differential equations whose operator coefficients have variable domains},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1412--1425},
     publisher = {mathdoc},
     volume = {30},
     number = {8},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_8_a13/}
}