@article{TM_2003_241_a2,
     author = {V. I. Danilov and G. A. Koshevoy},
     title = {Discrete {Convexity} and {Hermitian} {Matrices}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {68--89},
     publisher = {mathdoc},
     volume = {241},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2003_241_a2/}
}