TY - JOUR AU - A. A. Kuraev TI - The analytic determination of the gradient of the target function when the state equations of the dynamical system are given in implicit form JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1978 SP - 1604 EP - 1607 VL - 18 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_6_a25/ LA - ru ID - ZVMMF_1978_18_6_a25 ER -