TY - JOUR AU - Jokhadze, Otari TI - Darboux and Goursat type problems in the trihedral angle for hyperbolic type equations of third order JO - Rendiconti del Seminario Matematico della Università di Padova PY - 1997 SP - 107 EP - 123 VL - 98 PB - Seminario Matematico of the University of Padua UR - http://www.numdam.org/item/RSMUP_1997__98__107_0/ LA - en ID - RSMUP_1997__98__107_0 ER -