@incollection{AST_1990__181-182__217_0,
     author = {Leisering, Udo},
     title = {On the $p$-part of character degrees of solvable groups},
     booktitle = {Repr\'esentations lin\'eaires des groupes finis - Luminy, 16-21 mai 1988},
     series = {Ast\'erisque},
     pages = {217--220},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {181-182},
     year = {1990},
     mrnumber = {1051251},
     zbl = {0712.20004},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1990__181-182__217_0/}
}