@article{DAN_1989_304_6_a3,
     author = {Yu. V. Pokorny and K. P. Lazarev and T. M. Gareeva},
     title = {Conditions of {V.} {A.} {Il'in} type for the solvability of nonlocal boundary value problems for ordinary differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {1298--1302},
     publisher = {mathdoc},
     volume = {304},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_304_6_a3/}
}