TY - JOUR AU - Šoltés, Pavol TI - Boundedness of Solutions of Non-Linear Differential Equation Systems JO - Mathematica slovaca PY - 1971 SP - 91 EP - 105 VL - 21 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1971__21_2_a2/ LA - en ID - MASLO_1971__21_2_a2 ER -