Proceedings of a conference Sherbrooke, Quebec, Canada. (1981). Fixed point theory: Proceedings of a conference held at Sherbrooke, Quebec, Canada, June 2-21, 1980. Springer-Verlag.
Chicago-referens (17:e uppl.)Proceedings of a conference Sherbrooke, Quebec, Canada. Fixed Point Theory: Proceedings of a Conference Held at Sherbrooke, Quebec, Canada, June 2-21, 1980. Berlin: Springer-Verlag, 1981.
MLA-referens (9:e uppl.)Proceedings of a conference Sherbrooke, Quebec, Canada. Fixed Point Theory: Proceedings of a Conference Held at Sherbrooke, Quebec, Canada, June 2-21, 1980. Springer-Verlag, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.