Joydeep Sengupta,  2011, <br/><br/>
Metric spaces 
Sengupta, Joydeep 
 - 3rd ed. 
 - Calcutta:  U. N.Dhar,  2011. 
 - 287p.:  21cm. 
<br/><br/><label>ISBN: </label>978-93-80673-19-6 
<br/><br/><label>Subjects--Personal Names: </label><br/>METRIC GEOMETRY.
<br/><br/><label>Dewey Class. No.: </label>516.15  / SEN