%0 Journal Article %A S. A. Tersenov %T On a singular Cauchy problem for a system of equations of hyperbolic type %J Doklady Akademii Nauk %D 1972 %P 1046-1049 %V 205 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_205_5_a10/ %G ru %F DAN_1972_205_5_a10