@article{TIMM_2001_7_2_a0,
     author = {R. Zh. Aleev and N. B. Ishechkina},
     title = {A~theory of central unit groups of integral group rings of groups $Sz(q)$},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {3--16},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2001_7_2_a0/}
}