@article{DE_1972_8_9_a3,
     author = {A. B. Vasil'eva},
     title = {On the question of solutions that are close to continuous ones in a system of conditionally stable type with a small parameter multiplying the derivatives},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1560--1568},
     publisher = {mathdoc},
     volume = {8},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1972_8_9_a3/}
}