@article{DE_1978_14_10_a3,
     author = {\`E. V. Vdovina},
     title = {A second inverse problem of the qualitative theory of differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1760--1764},
     publisher = {mathdoc},
     volume = {14},
     number = {10},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_10_a3/}
}