@article{DAN_1989_308_4_a9,
     author = {A. I. Vesnitskii and N. D. Romanov and G. A. Utkin},
     title = {On the efficiency of wave propeller},
     journal = {Doklady Akademii Nauk},
     pages = {810--811},
     publisher = {mathdoc},
     volume = {308},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1989_308_4_a9/}
}