@article{SJIM_2001_4_1_a8,
     author = {V. A. Kolmykov},
     title = {Minimization and maximization of quadratic forms with strong diagonal predominance. {Super-concavity} and discrete oscillations},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {102--115},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2001_4_1_a8/}
}