Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1989_308_2_a17, author = {A. E. Lifshits}, title = {The echo phenomenon in hydrodynamics}, journal = {Doklady Akademii Nauk}, pages = {340--344}, publisher = {mathdoc}, volume = {308}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_308_2_a17/} }
A. E. Lifshits. The echo phenomenon in hydrodynamics. Doklady Akademii Nauk, Tome 308 (1989) no. 2, pp. 340-344. http://geodesic.mathdoc.fr/item/DAN_1989_308_2_a17/