Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1990_26_11_a7, author = {V. \`E. Zhavnerchik}, title = {A stability problem in one critical case}, journal = {Differencialʹnye uravneni\^a}, pages = {1895--1898}, publisher = {mathdoc}, volume = {26}, number = {11}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1990_26_11_a7/} }
V. È. Zhavnerchik. A stability problem in one critical case. Differencialʹnye uravneniâ, Tome 26 (1990) no. 11, pp. 1895-1898. http://geodesic.mathdoc.fr/item/DE_1990_26_11_a7/