Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1965_161_1_a8, author = {A. G. Kushnirenko}, title = {An estimate from above for the entropy of a classical dynamical system}, journal = {Doklady Akademii Nauk}, pages = {37--38}, publisher = {mathdoc}, volume = {161}, number = {1}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_161_1_a8/} }
A. G. Kushnirenko. An estimate from above for the entropy of a classical dynamical system. Doklady Akademii Nauk, Tome 161 (1965) no. 1, pp. 37-38. http://geodesic.mathdoc.fr/item/DAN_1965_161_1_a8/