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@article{TRSPY_2016_295_a11, author = {A. P. Markeev}, title = {On the stability of periodic trajectories of a~planar {Birkhoff} billiard}, journal = {Informatics and Automation}, pages = {206--217}, publisher = {mathdoc}, volume = {295}, year = {2016}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_2016_295_a11/} }
A. P. Markeev. On the stability of periodic trajectories of a~planar Birkhoff billiard. Informatics and Automation, Modern problems of mechanics, Tome 295 (2016), pp. 206-217. http://geodesic.mathdoc.fr/item/TRSPY_2016_295_a11/