@article{MZM_2012_91_4_a4,
     author = {Yu. M. Dyukarev and A. E. Choque Rivero},
     title = {The {Matrix} {Version} of {Hamburger's} {Theorem}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {522--529},
     publisher = {mathdoc},
     volume = {91},
     number = {4},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_4_a4/}
}