@article{DAN_1990_310_5_a15,
     author = {R. R. Gadyl'shin},
     title = {The amplitude of oscillations for a {Helmholtz} resonator},
     journal = {Doklady Akademii Nauk},
     pages = {1094--1097},
     publisher = {mathdoc},
     volume = {310},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_5_a15/}
}