Ansari, Qamrul Hasan Metric spaces : including fixed point theory and set-valued maps / Qamrul Hasan Ansari - New Delhi : Narosa Publishing House, 2010. - xii, 196 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 9788184870992 Subjects--Topical Terms: Mathematics.Metric spaces. Dewey Class. No.: 514.325 / ANS