@article{DE_1979_15_6_a3,
     author = {F. E. Lomovtsev},
     title = {A priori estimates of solutions of boundary value problems for some differential-operator equations of even order},
     journal = {Differencialʹnye uravneni\^a},
     pages = {991--999},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_6_a3/}
}