TY - JOUR AU - A. G. Petrov AU - V. V. Vanovskiy TI - Nonlinear oscillations of a spring pendulum at the 1 : 1 : 2 resonance: theory, experiment, and physical analogies JO - Informatics and Automation PY - 2018 SP - 168 EP - 175 VL - 300 UR - http://geodesic.mathdoc.fr/item/TRSPY_2018_300_a12/ LA - ru ID - TRSPY_2018_300_a12 ER -