TY - JOUR AU - V. V. Kozlov TI - Stability of periodic trajectories and Chebyshev polynomials JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1991 SP - 7 EP - 13 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1991_5_a2/ LA - ru ID - VMUMM_1991_5_a2 ER -