Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1981_17_9_a2, author = {S. N. Vassilyev}, title = {The comparison method in systems {analysis.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {1562--1573}, publisher = {mathdoc}, volume = {17}, number = {9}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_9_a2/} }
S. N. Vassilyev. The comparison method in systems analysis.~I. Differencialʹnye uravneniâ, Tome 17 (1981) no. 9, pp. 1562-1573. http://geodesic.mathdoc.fr/item/DE_1981_17_9_a2/