TY - JOUR AU - S. A. Kharlamov TI - An example of a heteroparametric perturbation of a pendulum by quasi-periodic oscillations of the suspension JO - Doklady Akademii Nauk PY - 1964 SP - 1311 EP - 1313 VL - 157 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_157_6_a11/ LA - ru ID - DAN_1964_157_6_a11 ER -