Über Spitzen diskontinuierlicher Gruppen von lineargebrochenen Transformationen.Published in:Mathematische Zeitschrift, 1967, v. 100, n. 3, p. 183, doi. 10.1007/BF01109804By:Leutbecher, ArminPublication type:Article
Convergence theorems for sequences of nonlinear operators in Banach spaces.Published in:Mathematische Zeitschrift, 1967, v. 100, n. 3, p. 201, doi. 10.1007/BF01109805By:Browder, FelixPublication type:Article
M-groups and 2-groups.Published in:Mathematische Zeitschrift, 1967, v. 100, n. 3, p. 226, doi. 10.1007/BF01109806By:Dornhoff, LarryPublication type:Article