TY - BOOK AU - Kesavan, S. TI - Functional analysis SN - 9788195196135 U1 - 517.9 PY - 2022/// CY - New Delhi PB - Hindustan Book Agency KW - HAHN - BANACH THEOREMS KW - LP SPACES KW - HILBERT SPACES KW - BLACK MATTER KW - SOBOLEV SPACES ER -