TY - JOUR AU - Andres, Ján TI - Dynamical systems modelled by third order differential equations with special respect to the influence of the restoring term on the properties of solutions JO - Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica PY - 1987 SP - 139 EP - 147 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AUPO_1987__26_1_a8/ LA - en ID - AUPO_1987__26_1_a8 ER -