%0 Journal Article %A V. Sh. Petrosian %T The Riemann problem in the half-plane in the sense of $L^p$- convergence %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1998 %P 29-35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1998_2_a3/ %G ru %F UZERU_1998_2_a3