TY - JOUR AU - E. V. Shikin TI - Equations of isometric imbeddings in three-dimensional Euclidean space of two-dimensional manifolds of negative curvature JO - Matematičeskie zametki PY - 1982 SP - 601 EP - 612 VL - 31 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1982_31_4_a10/ LA - ru ID - MZM_1982_31_4_a10 ER -