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Authors
Affiliations
1 Department of Mathematics, University of Delhi, Delhi-110007, IN
Source
The Journal of the Indian Mathematical Society, Vol 54, No 1-4 (1989), Pagination: 147-154
Abstract
Banach [2] considered M-bases which, in fact he called ‘complete biorthogonal system’. Markushevic [12] observed that these bases are available in every separable Banach space, while it is now known that bases may not exist in every separable Banach space [8].