%0 Journal Article %A É. B. Bykhovskii %T An initial boundary value problem for the equation $u_t+a_x(u)=0$ %J Doklady Akademii Nauk %D 1972 %P 511-514 %V 202 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_202_3_a2/ %G ru %F DAN_1972_202_3_a2