Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1967_176_4_a15, author = {\`E. G. Shifrin}, title = {A condition for the breakdown of the region of continuous supersonic}, journal = {Doklady Akademii Nauk}, pages = {797--800}, publisher = {mathdoc}, volume = {176}, number = {4}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a15/} }
È. G. Shifrin. A condition for the breakdown of the region of continuous supersonic. Doklady Akademii Nauk, Tome 176 (1967) no. 4, pp. 797-800. http://geodesic.mathdoc.fr/item/DAN_1967_176_4_a15/