The canonical algebras (with an appendix by W. Crawley-Boevey)
Crawley-Boevey, William ; Ringel, Claus Michael ; Balcerzyk, Stanislaw (Ed.)In: Topics in Algebra. 1: Rings and representations of algebras, Vol. 26,1, page 407-4321990A class of balanced non-uniserial rings
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Mathematische Annalen, Vol. 195 Issue 2, page 279-2911972A class of bounded hereditary noetherian domains
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Journal of Algebra, Vol. 92 Issue 2, page 311-3211985A construction for quasi-hereditary algebras
Dlab, Vlastimil ; Ringel, Claus MichaelIn: Compositio Mathematica, Vol. 70 Issue 2, page 155-1751989A construction of rings whose injective hulls allow a ring structure
Dlab, Vlastimil ; Ringel, Claus MichaelIn: The journal of the Australian Mathematical Society, Vol. 16 Issue 01, page 7-131973Construction of tilted algebras
Happel, Dieter ; Ringel, Claus Michael ; Auslander, Maurice (Ed.) ; Lluis, Emilo (Ed.)In: Representations of Algebras. Proceedings of the Third International Conference on Representations of Algebras, held in Puebla, Mexico, August 4 - 8, 1980, Vol. 903, page 125-1671981The category of good modules over a quasi-hereditary algebra has almost split sequences
Ringel, Claus Michael1989The category of modules with good filtrations over a quasi-heriditary algebra has almost split sequences
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 208 Issue 1, page 209-2231991Eine Charakterisierung der Homotopiekategorie der CW-Komplexe
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 115 Issue 5, page 359-3651970Commutative QF-1 rings
Ringel, Claus MichaelIn: Proceedings of the American Mathematical Society, Vol. 42 Issue 2, page 365-3681974The composition algebra of a cyclic quiver
Ringel, Claus MichaelIn: Proceedings of the London Mathematical Society : Ser. 3, Vol. 66, page 507-5371993Coherent tubes
d'Este, Gabriella ; Ringel, Claus MichaelIn: Journal of algebra, Vol. 87 Issue 1, page 150-2011984