00377nam a2200145 a 4500 20261014142001.0 261009s2009 ii 000 0 eng d eng B. K. Lahiri 6244 Elements of Functional Analysis B. K. Lahiri Enlarged reprint Kolkata World Press 2009 Physics 46 BK 18853 18853 0 0 0 0 NDCL NDCL GEN 2017-05-08 200.00 43634 200.00 BK