TY - JOUR AU - G. S. Barkhin AU - V. T. Fomenko TI - On the single-valued determination of a piecewise regular surface of positive curvature with a boundary condition JO - Doklady Akademii Nauk PY - 1963 SP - 1023 EP - 1026 VL - 152 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a0/ LA - ru ID - DAN_1963_152_5_a0 ER -