@article{DE_1985_21_10_a10,
     author = {V. P. Skripnik},
     title = {Convergence in $L^2$ of solutions of systems with a small matrix multiplying the derivative},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1717--1723},
     publisher = {mathdoc},
     volume = {21},
     number = {10},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a10/}
}