Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_221_6_a13, author = {L. A. Ostrovsky and A. M. Sutin}, title = {Focusing of acoustic waves of finite amplitude}, journal = {Doklady Akademii Nauk}, pages = {1300--1303}, publisher = {mathdoc}, volume = {221}, number = {6}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_6_a13/} }
L. A. Ostrovsky; A. M. Sutin. Focusing of acoustic waves of finite amplitude. Doklady Akademii Nauk, Tome 221 (1975) no. 6, pp. 1300-1303. http://geodesic.mathdoc.fr/item/DAN_1975_221_6_a13/