Decomposition of modules over right uniserial rings
In: Mathematische Zeitschrift, Jg. 129 H. 3, S. 207-230
The derived category of a tubular algebra
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In: Journal of algebra, Jg. 60 H. 1, S. 11-42The dimension of a quasi-hereditary algebra
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In: Archiv der Mathematik, Jg. 60 H. 3, S. 237-246