@article{RSMUP_1975__54__1_0,
     author = {Fritz, Franz J.},
     title = {On centralizers of involutions having a component of type $A_6$ and $A_7$},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--29},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {54},
     year = {1975},
     mrnumber = {435205},
     zbl = {0358.20027},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1975__54__1_0/}
}