Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1980_16_2_a1, author = {I. U. Bronshtein and V. F. Cherny}, title = {Linear extensions that satisfy the {Perron} {condition.~II}}, journal = {Differencialʹnye uravneni\^a}, pages = {201--207}, publisher = {mathdoc}, volume = {16}, number = {2}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_2_a1/} }
I. U. Bronshtein; V. F. Cherny. Linear extensions that satisfy the Perron condition.~II. Differencialʹnye uravneniâ, Tome 16 (1980) no. 2, pp. 201-207. http://geodesic.mathdoc.fr/item/DE_1980_16_2_a1/