@article{DE_1970_6_11_a3,
     author = {K. A. Karacharov},
     title = {Certain criteria for stability of motion in the presence of constantly acting perturbations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1963--1969},
     publisher = {mathdoc},
     volume = {6},
     number = {11},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_11_a3/}
}