@article{TMF_1992_93_1_a8,
     author = {R. R. Gadyl'shin},
     title = {Influence of the position of the opening and its shape on the properties of {a~Helmholtz} resonator},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {107--118},
     publisher = {mathdoc},
     volume = {93},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1992_93_1_a8/}
}