@article{ZVMMF_1971_11_1_a1,
     author = {Yu. M. Danilin and B. N. Pshenichnyi},
     title = {A minimization method without the calculation of derivatives},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {12--21},
     year = {1971},
     volume = {11},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_1_a1/}
}