TY - JOUR AU - D. V. Tunitsky TI - Multivalued solutions of hyperbolic Monge--Amp\`ere equations JO - Differencialʹnye uravneniâ PY - 1993 SP - 2178 EP - 2189 VL - 29 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1993_29_12_a15/ LA - ru ID - DE_1993_29_12_a15 ER -