@article{DAN_1967_174_5_a5,
     author = {Yu. V. Komlenko},
     title = {Conditions of solvability of certain boundary value problems for a second-order ordinary linear differential equation},
     journal = {Doklady Akademii Nauk},
     pages = {1018--1020},
     publisher = {mathdoc},
     volume = {174},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_5_a5/}
}