@article{DAN_1985_285_6_a11,
     author = {A. N. Tikhonov and V. Ya. Arsenin and N. B. Zyabrev},
     title = {The nonlinear programming problem with decreasing cost function},
     journal = {Doklady Akademii Nauk},
     pages = {1330--1334},
     publisher = {mathdoc},
     volume = {285},
     number = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_285_6_a11/}
}