%0 Journal Article %A A. N. Golubyatnikov %T Estimates of the motion of shock waves in one-dimensional nonstationary problems of gas dynamics %J Doklady Akademii Nauk %D 1977 %P 800-803 %V 237 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_237_4_a13/ %G ru %F DAN_1977_237_4_a13