TY - JOUR AU - A. V. Zhiber AU - V. V. Sokolov TI - Exactly integrable hyperbolic equations of Liouville type JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2001 SP - 61 EP - 101 VL - 56 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2001_56_1_a1/ LA - en ID - RM_2001_56_1_a1 ER -