@incollection{AST_1981__87-88__97_0,
     author = {Hesselink, Wim H.},
     title = {Desingularizations of orbits of concentrators},
     booktitle = {Tableaux de Young et foncteurs de Schur en alg\`ebre et g\'eom\'etrie - TORUN, Pologne, 1980},
     series = {Ast\'erisque},
     pages = {97--108},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {87-88},
     year = {1981},
     mrnumber = {646818},
     zbl = {0483.14012},
     language = {en},
     url = {http://www.numdam.org/item/AST_1981__87-88__97_0/}
}