@article{AA_1997_9_1_a8, author = {Yu. B. Yanushanets}, title = {Splitting of separatrices in plane convex billiards that correspond to domains of the form $X^{2n}+Y^{2n}\le1$, $n\ge2$}, journal = {Algebra i analiz}, pages = {213--237}, publisher = {mathdoc}, volume = {9}, number = {1}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_1997_9_1_a8/} }