@article{IVM_2014_12_a6,
     author = {M. A. Novikov},
     title = {Simultaneous diagonalization of three real symmetric matrices},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {70--82},
     year = {2014},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_12_a6/}
}