TY - JOUR AU - I. G. Salekhova TI - The Riemann problem with discontinuous coefficients in the case of an infinite contour JO - Trudy seminara po kraevym zadačam PY - 1974 SP - 155 EP - 160 VL - 11 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUKZ_1974_11_11_a20/ LA - ru ID - KUKZ_1974_11_11_a20 ER -