%0 Journal Article %A S. B. Medvedev %T Conservation Laws of Zero Order for One-Dimensional Hydrodynamic Equations with External Force %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2010 %P 70-88 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2010_10_1_a5/ %G ru %F VNGU_2010_10_1_a5