%0 Journal Article %A Ibrahim Assem %A Yingbo Zhang %T Endomorphism algebras of exceptional sequences over path algebras of type $\widetilde{\sym A}_{n}$ %J Colloquium Mathematicum %D 1998 %P 271-292 %V 77 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-77-2-271-292/ %R 10.4064/cm-77-2-271-292 %G en %F 10_4064_cm_77_2_271_292