TY - JOUR AU - S. Ya. Serovaǐskiǐ TI - Optimal control of a nonlinear singular system with a fixed terminal state JO - Differencialʹnye uravneniâ PY - 1997 SP - 1114 EP - 1117 VL - 33 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1997_33_8_a14/ LA - ru ID - DE_1997_33_8_a14 ER -