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@article{DE_1984_20_12_a18, author = {N. G. Bulgakov}, title = {Stability in the large of a second-order periodic system of general form}, journal = {Differencialʹnye uravneni\^a}, pages = {2158--2161}, publisher = {mathdoc}, volume = {20}, number = {12}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_12_a18/} }
N. G. Bulgakov. Stability in the large of a second-order periodic system of general form. Differencialʹnye uravneniâ, Tome 20 (1984) no. 12, pp. 2158-2161. http://geodesic.mathdoc.fr/item/DE_1984_20_12_a18/