@article{DM_2003_15_4_a6,
     author = {D. Yu. Cherukhin},
     title = {On the complexity of unitary transformations},
     journal = {Diskretnaya Matematika},
     pages = {113--118},
     year = {2003},
     volume = {15},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2003_15_4_a6/}
}