@article{DE_1973_9_4_a4,
     author = {A. Ya. Lepin and V. D. Ponomarev},
     title = {Continuous dependence of the solution of boundary value problems for ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {626--629},
     year = {1973},
     volume = {9},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_4_a4/}
}