%0 Journal Article %A V. N. Gol'dberg %T A Mixed Problem for a System of Telegraph Equations: I %J Differencialʹnye uravneniâ %D 2003 %P 367-376 %V 39 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2003_39_3_a9/ %G ru %F DE_2003_39_3_a9