@article{ZVMMF_2008_48_2_a1,
     author = {A. Ya. Belyankov},
     title = {Computation of the commutator of $2\times2$ matrices via five multiplications},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {201--205},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2008_48_2_a1/}
}