%0 Journal Article %A G. I. Chandirov %T Investigation of a weak solution of a mixed problem for a hyperbolic equation with nonlinear part %J Doklady Akademii Nauk %D 1968 %P 51-54 %V 178 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a12/ %G ru %F DAN_1968_178_1_a12