%0 Journal Article %A Karin Erdmann %T On tubes for blocks of wild type %J Colloquium Mathematicum %D 1999 %P 261-270 %V 82 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-82-2-261-270/ %R 10.4064/cm-82-2-261-270 %G en %F 10_4064_cm_82_2_261_270