%0 Journal Article %A V. A. Kakichev %A V. M. Shelkovich %T Riemann problem for $p$-cone in Vladimirov algebras %J Matematičeskie zametki %D 1980 %P 899-911 %V 27 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1980_27_6_a6/ %G ru %F MZM_1980_27_6_a6