@article{DAN_1968_179_4_a8,
     author = {S. I. Zukhovitskii and R. A. Polyak and M. E. Primak},
     title = {A problem of nonconvex programming},
     journal = {Doklady Akademii Nauk},
     pages = {786--789},
     publisher = {mathdoc},
     volume = {179},
     number = {4},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_4_a8/}
}