TY - JOUR AU - Adam Czornik TI - Optimal control for a nonstationary linear system with a quadratic cost functional JO - Mathematica Applicanda PY - 1997 SP - 3 EP - 11 VL - 26 IS - 40 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.14708/ma.v26i40.1854/ DO - 10.14708/ma.v26i40.1854 LA - pl ID - 10_14708_ma_v26i40_1854 ER -