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@article{DE_1988_24_9_a16, author = {R. P. Tarasov}, title = {A dynamical system of billiard type}, journal = {Differencialʹnye uravneni\^a}, pages = {1611--1622}, publisher = {mathdoc}, volume = {24}, number = {9}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_9_a16/} }
R. P. Tarasov. A dynamical system of billiard type. Differencialʹnye uravneniâ, Tome 24 (1988) no. 9, pp. 1611-1622. http://geodesic.mathdoc.fr/item/DE_1988_24_9_a16/