@article{DAN_1987_297_1_a7,
     author = {A. P. Molchanov and E. S. Pyatnitskii},
     title = {Criteria for the stability of selector-linear differential},
     journal = {Doklady Akademii Nauk},
     pages = {37--40},
     year = {1987},
     volume = {297},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a7/}
}