@article{AA_1992_4_2_a3,
     author = {R. R. Gadyl'shin},
     title = {Surface potentials and the method of matching asymptotic expansions in the {Helmholtz} resonator problem},
     journal = {Algebra i analiz},
     pages = {88--115},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1992_4_2_a3/}
}