%0 Journal Article %A E. A. Danilov %T The dependence of the number of solutions of the homogeneous Riemann problem on the contour and the modulus of the coefficient %J Doklady Akademii Nauk %D 1982 %P 1305-1308 %V 264 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_264_6_a5/ %G ru %F DAN_1982_264_6_a5