%0 Journal Article %A Yu. B. Yanushanets %T Splitting of separatrices in plane convex billiards that correspond to domains of the form $X^{2n}+Y^{2n}\le1$, $n\ge2$ %J Algebra i analiz %D 1997 %P 213-237 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1997_9_1_a8/ %G ru %F AA_1997_9_1_a8