@article{DE_1973_9_3_a13,
     author = {V. G. Lezhnev},
     title = {Decrease of the solution of a certain boundary value problem for an equation of {Sobolev}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {511--526},
     year = {1973},
     volume = {9},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_3_a13/}
}