@article{DAN_1974_217_6_a5,
     author = {M. A. Kakabadze},
     title = {On a singular boundary-value problem for a system of ordinary differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {1259--1262},
     year = {1974},
     volume = {217},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_217_6_a5/}
}