Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_2003_39_3_a9, author = {V. N. Gol'dberg}, title = {A {Mixed} {Problem} for a {System} of {Telegraph} {Equations:} {I}}, journal = {Differencialʹnye uravneni\^a}, pages = {367--376}, publisher = {mathdoc}, volume = {39}, number = {3}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_2003_39_3_a9/} }
V. N. Gol'dberg. A Mixed Problem for a System of Telegraph Equations: I. Differencialʹnye uravneniâ, Tome 39 (2003) no. 3, pp. 367-376. http://geodesic.mathdoc.fr/item/DE_2003_39_3_a9/