TY - JOUR AU - Barbara Biły TI - Optimal control of a two-dimensional linear system with a quadratic performance index with constraints on the trajectory and the control JO - Mathematica Applicanda PY - 1997 SP - 21 EP - 29 VL - 26 IS - 40 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v26i40.1856/ DO - 10.14708/ma.v26i40.1856 LA - pl ID - 10_14708_ma_v26i40_1856 ER -