@article{RSMUP_1996__95__189_0,
     author = {Brandl, Rolf and Fedri, Valeria and Serena, Luigi},
     title = {On self-centralizing {Sylow} subgroups of order four},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {189--199},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {95},
     year = {1996},
     mrnumber = {1405363},
     zbl = {0862.20013},
     language = {en},
     url = {http://archive.numdam.org/item/RSMUP_1996__95__189_0/}
}