%0 Journal Article %A V. A. Suchkov %T Double waves of plane flows having variable entropy %J Doklady Akademii Nauk %D 1975 %P 816-818 %V 223 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_223_4_a11/ %G ru %F DAN_1975_223_4_a11