@article{IIGUM_2017_21_a5,
     author = {G. P. Egorychev},
     title = {The polarization theorem and polynomial identities for matrix functions},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {77--88},
     publisher = {mathdoc},
     volume = {21},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2017_21_a5/}
}