Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1978_14_10_a1, author = {I. U. Bronshtein and V. F. Cherny}, title = {Linear extensions that satisfy the {Perron} {condition.~I}}, journal = {Differencialʹnye uravneni\^a}, pages = {1739--1751}, publisher = {mathdoc}, volume = {14}, number = {10}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_10_a1/} }
I. U. Bronshtein; V. F. Cherny. Linear extensions that satisfy the Perron condition.~I. Differencialʹnye uravneniâ, Tome 14 (1978) no. 10, pp. 1739-1751. http://geodesic.mathdoc.fr/item/DE_1978_14_10_a1/