@article{VMUMM_1988_4_a13,
     author = {S. V. Okhitin},
     title = {Central polynomials of an algebra of second-order matrices},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {61--63},
     publisher = {mathdoc},
     number = {4},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_4_a13/}
}