Kominek, Zygfryd A generalization of K. Goebel’s and J. Matkowski’s theorems. (English) Zbl 0512.54023 Pr. Nauk. Uniw. Śląsk. Katowicach 425, Pr. Mat. 12, 30-33 (1982). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Review MSC: 54H25 Fixed-point and coincidence theorems (topological aspects) 47H10 Fixed-point theorems 39B52 Functional equations for functions with more general domains and/or ranges PDF BibTeX XML