TY - JOUR AU - V. V. Palin TI - On the Passage to the Limit in the Construction of Geometric Solutions of the Riemann Problem JO - Matematičeskie zametki PY - 2020 SP - 380 EP - 396 VL - 108 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2020_108_3_a4/ LA - ru ID - MZM_2020_108_3_a4 ER -