TY - JOUR AU - E. von CollanI TI - A Unified Approach to Optimal Process Control. JO - Metrika PY - 1988 SP - 145 EP - 159 VL - 35 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MET_1988__35_3-4_176170/ ID - MET_1988__35_3-4_176170 ER -