@article{DAN_1976_226_5_a13,
     author = {V. V. Bogorodsky and E. A. Korepin and M. V. Ruchiev},
     title = {On the maximization of electroacoustic radiator efficiency},
     journal = {Doklady Akademii Nauk},
     pages = {1038--1040},
     publisher = {mathdoc},
     volume = {226},
     number = {5},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_226_5_a13/}
}