@article{DE_1979_15_7_a6,
     author = {M. M. Khapaev and O. V. Anashkin},
     title = {Stability in systems of ordinary differential equations with almost periodic coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1216--1224},
     publisher = {mathdoc},
     volume = {15},
     number = {7},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_7_a6/}
}