Sengupta, Joydeep. Metric Spaces / by Joydeep Sengupta. - Kolkata : U. N. Dhur & Sons Pvt. Ltd. , 2022. - 294p.; 21cm. ISBN: 9789380673196 Rs. 220.00 Subjects--Topical Terms: Mathematics Dewey Class. No.: 514.325 / SEN/M