%0 Journal Article %A A. I. Nosich %A V. P. Shestopalov %T Electromagnetic analogue of Helmholtz resonator %J Doklady Akademii Nauk %D 1977 %P 53-56 %V 234 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_234_1_a11/ %G ru %F DAN_1977_234_1_a11