@article{RM_1964_19_6_a19,
     author = {M. M. Mel'tser},
     title = {On a~theorem of {V.} {R.~Gantmaher}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1964},
     volume = {19},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1964_19_6_a19/}
}