@article{ZVMMF_1978_18_6_a25,
     author = {A. A. Kuraev},
     title = {The analytic determination of the gradient of the target function when the state equations of the dynamical system are given in implicit form},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1604--1607},
     publisher = {mathdoc},
     volume = {18},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1978_18_6_a25/}
}