Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1998_34_1_a13, author = {A. N. Zarubin}, title = {An initial-boundary value problem for an equation of mixed type with retarded argument}, journal = {Differencialʹnye uravneni\^a}, pages = {87--93}, publisher = {mathdoc}, volume = {34}, number = {1}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1998_34_1_a13/} }
A. N. Zarubin. An initial-boundary value problem for an equation of mixed type with retarded argument. Differencialʹnye uravneniâ, Tome 34 (1998) no. 1, pp. 87-93. http://geodesic.mathdoc.fr/item/DE_1998_34_1_a13/