@article{DAN_1960_135_6_a2,
     author = {A. B. Vasil'eva},
     title = {The asymptotic behavior of the solutions of certain boundary value problems for equations 
},
     journal = {Doklady Akademii Nauk},
     pages = {1303--1306},
     publisher = {mathdoc},
     volume = {135},
     number = {6},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_135_6_a2/}
}