%0 Journal Article %A I. V. Maiorov %T Some problems for a certain degenerate hyperbolic system %J Differencialʹnye uravneniâ %D 1977 %P 369-372 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_2_a18/ %G ru %F DE_1977_13_2_a18