@article{DAN_1962_146_4_a7,
     author = {S. M. Nikol'skii},
     title = {The first boundary-value problem for a general linear equation},
     journal = {Doklady Akademii Nauk},
     pages = {767--769},
     publisher = {mathdoc},
     volume = {146},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_4_a7/}
}