@article{DE_1990_26_9_a9,
     author = {S. Ya. Yakubov and \`E. Ch. Ibragimov},
     title = {Estimates for the solutions of an ordinary differential equation with a parameter and functional conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1551--1562},
     publisher = {mathdoc},
     volume = {26},
     number = {9},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_9_a9/}
}