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@article{DAN_1986_291_3_a19, author = {P. V. Elyutin}, title = {On the {Kolmogorov} entropy of the ``stadium'' billiard}, journal = {Doklady Akademii Nauk}, pages = {595--598}, publisher = {mathdoc}, volume = {291}, number = {3}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a19/} }
P. V. Elyutin. On the Kolmogorov entropy of the ``stadium'' billiard. Doklady Akademii Nauk, Tome 291 (1986) no. 3, pp. 595-598. http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a19/