Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1993_29_4_a19, author = {L. Z. Fishman}, title = {Criteria for risky and safe bounds for discrete systems}, journal = {Differencialʹnye uravneni\^a}, pages = {723--724}, publisher = {mathdoc}, volume = {29}, number = {4}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1993_29_4_a19/} }
L. Z. Fishman. Criteria for risky and safe bounds for discrete systems. Differencialʹnye uravneniâ, Tome 29 (1993) no. 4, pp. 723-724. http://geodesic.mathdoc.fr/item/DE_1993_29_4_a19/