@article{DE_1970_6_12_a3,
     author = {\`E. I. Grudo},
     title = {The solutions of a certain system of differential equations in a certain singular case of stability},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2149--2162},
     publisher = {mathdoc},
     volume = {6},
     number = {12},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_12_a3/}
}