TY - JOUR AU - M. V. Shamolin TI - Cases of integrability corresponding to the pendulum motion in four-dimensional space JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2017 SP - 41 EP - 58 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2017_1_a4/ LA - ru ID - VSGU_2017_1_a4 ER -