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@article{DVMG_2000_1_1_a5, author = {G. G. Durnov}, title = {The estimation for the indexes of linear differential systems with perturbation}, journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal}, pages = {43--50}, publisher = {mathdoc}, volume = {1}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DVMG_2000_1_1_a5/} }
G. G. Durnov. The estimation for the indexes of linear differential systems with perturbation. Dalʹnevostočnyj matematičeskij žurnal, Tome 1 (2000) no. 1, pp. 43-50. http://geodesic.mathdoc.fr/item/DVMG_2000_1_1_a5/