TY - JOUR AU - A. D. Bruno TI - Instability in a Hamiltonian system and the distribution of asteroids JO - Sbornik. Mathematics PY - 1970 SP - 271 EP - 312 VL - 12 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_1970_12_2_a8/ LA - en ID - SM_1970_12_2_a8 ER -