@article{CMFD_2007_23_a5,
     author = {S. A. Vakhrameev and E. P. Krugova},
     title = {A {Note} on the {Structure} of $M${-Matrices}},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {87--95},
     publisher = {mathdoc},
     volume = {23},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2007_23_a5/}
}