TY - JOUR AU - B. I. Suleimanov TI - A ``nonlinear'' generalization of special functions of wave catastrophes described by double integrals JO - Matematičeskie zametki PY - 1992 SP - 102 EP - 106 VL - 52 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_52_5_a15/ LA - ru ID - MZM_1992_52_5_a15 ER -