@article{DAN_1983_270_6_a5,
     author = {N. B. Zyabrev},
     title = {On a class of nonlinear programming problems},
     journal = {Doklady Akademii Nauk},
     pages = {1308--1312},
     publisher = {mathdoc},
     volume = {270},
     number = {6},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1983_270_6_a5/}
}