TY - JOUR AU - N. E. Maryukova TI - Constant curvature surfaces in the~constant curvature quasi-Riemann space and the~Klein--Gordon equation JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2000 SP - 299 EP - 303 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2000_6_1_a25/ LA - ru ID - FPM_2000_6_1_a25 ER -