Faserungen und Homotopie in Kategorien
Ringel, Claus MichaelIn: Mathematische Annalen, Vol. 190, page 215-2301971Filtrations of right ideals related to projectivity of left ideals
Dlab, Vlastimil ; Ringel, Claus Michael ; Malliavin, Marie-Paule (Ed.)1989Finite-dimensional hereditary algebras of wild representation type
Ringel, Claus MichaelIn: Mathematische Zeitschrift, Vol. 161 Issue 3, page 235-2551978Fördern durch Fordern - aktiv-entdeckende Lernformen im Mathematikunterricht der Schule für Lernbehinderte
Scherer, PetraIn: Zeitschrift für Heilpädagogik, Vol. 45 Issue 11, page 761-7731994Four papers on problems in linear algebra
Ringel, Claus Michael ; Gelfand, Izrail M. (Ed.)In: Representation theory. Selected papers, Vol. 69, page 141-1561982Functional inequalities for spectral radii of nonnegative matrices
Elsner, Ludwig ; Hershkowitz, Daniel ; Pinkus, AllanIn: Linear algebra and its applications, Vol. 129, page 103-1301990The "fundamental theorem" for the algebraic K-theory of spaces. I
Hüttemann, Thomas ; Klein, John R. ; Vogell, Wolrad ; Waldhausen, Friedhelm ; Williams, BruceIn: Journal of Pure and Applied Algebra, Vol. 160 Issue 1, page 21-522001The "fundamental theorem" for the algebraic K-theory of spaces. II: The canonical involution
Hüttemann, Thomas ; Klein, John R. ; Vogell, Wolrad ; Waldhausen, Friedhelm ; Williams, BruceIn: Journal of Pure and Applied Algebra, Vol. 167 Issue 1, page 53-822002