TY - JOUR AU - Yu. D. Burago AU - S. V. Buyalo TI - Metrics with upper-bounded curvature on $2$-polyhedra.~II JO - Algebra i analiz PY - 1998 SP - 62 EP - 112 VL - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1998_10_4_a2/ LA - ru ID - AA_1998_10_4_a2 ER -