%0 Journal Article %A V. P. Maslov %T A conjecture on the formation of the structure of a front of a shock wave %J Matematičeskie zametki %D 1989 %P 120-123 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1989_45_3_a14/ %G ru %F MZM_1989_45_3_a14