@article{DE_1978_14_5_a9,
     author = {N. J. Yurchuk},
     title = {Boundary value problems for differential equations with operator coefficients that depend on a parameter. {II.} {Solvability} and properties of solutions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {859--870},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_5_a9/}
}