TY - JOUR AU - D. Niewinowska-Jacak TI - Optimal control in linear systems without the condition of regular controllability JO - Applicationes Mathematicae PY - 1980 SP - 473 EP - 479 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am-17-3-473-479/ DO - 10.4064/am-17-3-473-479 LA - en ID - 10_4064_am_17_3_473_479 ER -