@article{MZM_1983_34_2_a2,
     author = {K. Kh. Zakir'yanov},
     title = {Index of the center of an irreducible nilpotent linear group over an algebraically closed field},
     journal = {Matemati\v{c}eskie zametki},
     pages = {171--178},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_2_a2/}
}