Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1970_6_1_a5, author = {D. K. Gvazava}, title = {Certain estimates of the solutions of nonlinear equations of mixed type}, journal = {Differencialʹnye uravneni\^a}, pages = {50--55}, publisher = {mathdoc}, volume = {6}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_1_a5/} }
D. K. Gvazava. Certain estimates of the solutions of nonlinear equations of mixed type. Differencialʹnye uravneniâ, Tome 6 (1970) no. 1, pp. 50-55. http://geodesic.mathdoc.fr/item/DE_1970_6_1_a5/