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@article{DE_1981_17_11_a2, author = {S. N. Vassilyev}, title = {The comparison method in systems {analysis.~II}}, journal = {Differencialʹnye uravneni\^a}, pages = {1945--1954}, publisher = {mathdoc}, volume = {17}, number = {11}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_11_a2/} }
S. N. Vassilyev. The comparison method in systems analysis.~II. Differencialʹnye uravneniâ, Tome 17 (1981) no. 11, pp. 1945-1954. http://geodesic.mathdoc.fr/item/DE_1981_17_11_a2/