@article{RSMUP_2006__115__209_0,
     author = {Bubboloni, D. and Lucido, M. S. and Weigel, Th.},
     title = {Generic $2$-coverings of finite groups of {Lie} type},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {209--252},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {115},
     year = {2006},
     mrnumber = {2245598},
     zbl = {1156.20039},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_2006__115__209_0/}
}