@article{ZVMMF_1992_32_9_a9,
     author = {R. R. Gadyl'shin},
     title = {The {Helmholtz} resonator with a small aperture},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1464--1475},
     publisher = {mathdoc},
     volume = {32},
     number = {9},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1992_32_9_a9/}
}