TY - JOUR AU - Balachandran, K. AU - Rajagopal, N. TI - Optimal control of nonlinear delay systems with implicit derivative and quadratic performance JO - Kybernetika PY - 1999 SP - 225 EP - 233 VL - 35 IS - 2 UR - http://geodesic.mathdoc.fr/item/KYB_1999_35_2_a6/ LA - en ID - KYB_1999_35_2_a6 ER -