@article{DVMG_2002_3_2_a2,
     author = {G. G. Durnov},
     title = {On limitation of linear differential systems with perturbation},
     journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal},
     pages = {165--172},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DVMG_2002_3_2_a2/}
}