@article{DE_1978_14_9_a24,
     author = {T. M. Pushkareva},
     title = {The problem of the conjugation of nonstationary linear differential equations with a parameter},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1706--1709},
     publisher = {mathdoc},
     volume = {14},
     number = {9},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_9_a24/}
}