TY - JOUR AU - Yu. B. Yanushanets TI - Splitting of separatrices in plane convex billiards that correspond to domains of the form $X^{2n}+Y^{2n}\le1$, $n\ge2$ JO - Algebra i analiz PY - 1997 SP - 213 EP - 237 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1997_9_1_a8/ LA - ru ID - AA_1997_9_1_a8 ER -