@article{MZ_1981__177_173047,
     author = {Michael Aschbacher},
     title = {Some {Results} on {Pushing} up in {Finite} {Groups.}},
     journal = {Mathematische Zeitschrift},
     pages = {61--80},
     publisher = {mathdoc},
     volume = {177},
     year = {1981},
     zbl = {0453.20009},
     url = {http://geodesic.mathdoc.fr/item/MZ_1981__177_173047/}
}