@article{DE_1966_2_10_a2,
     author = {A. Ya. Khokhryakov},
     title = {Existence and estimation of a solution of a periodic boundary value problem for a system of ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1300--1306},
     publisher = {mathdoc},
     volume = {2},
     number = {10},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1966_2_10_a2/}
}