@article{SEMR_2020_17_a9,
     author = {M. A. Grechkoseeva and S. V. Skresanov},
     title = {On element orders in covers of $L_4(q)$ and $U_4(q)$},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {585--589},
     publisher = {mathdoc},
     volume = {17},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2020_17_a9/}
}