@article{DE_1968_4_10_a5,
     author = {G. N. Zhevlakov and Yu. V. Komlenko and E. L. Tonkov},
     title = {The existence of solutions of nonlinear ordinary differential equations with linear boundary conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1814--1820},
     publisher = {mathdoc},
     volume = {4},
     number = {10},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1968_4_10_a5/}
}