TY - JOUR AU - I. B. Simonenko TI - Riemann's boundary problem with a measurable coefficient JO - Doklady Akademii Nauk PY - 1960 SP - 538 EP - 541 VL - 135 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_135_3_a8/ LA - ru ID - DAN_1960_135_3_a8 ER -