@article{DAN_1971_196_3_a5,
     author = {V. G. Maz'ya and B. A. Plamenevskii},
     title = {On the asymptotic behavior of solutions of differential equations with operator coefficients},
     journal = {Doklady Akademii Nauk},
     pages = {512--515},
     publisher = {mathdoc},
     volume = {196},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_3_a5/}
}