TY - JOUR AU - R. R. Gadyl'shin TI - Surface potentials and the method of matching asymptotic expansions in the Helmholtz resonator problem JO - Algebra i analiz PY - 1992 SP - 88 EP - 115 VL - 4 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1992_4_2_a3/ LA - ru ID - AA_1992_4_2_a3 ER -