@article{ZNSL_2005_323_a4,
     author = {Kh. D. Ikramov},
     title = {On the principal minors of a~matrix with a~multiple eigenvalue},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {47--49},
     publisher = {mathdoc},
     volume = {323},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2005_323_a4/}
}