Fixed point theory: an introduction/
Vasile I. Istratescu.
- Dordrecht, Holland ; Boston: Hingham, MA: D. Reidel, Kluwer Academic, c1981.
- xv, 466 p. ; 23 cm.
- Mathematics and its applications ; v. 7. .
- Mathematics and its applications (D. Reidel Publishing Company) v. 7. .