TY - BOOK AU - Kreyszig Erwin AU - Kreyszig Erwin TI - Introductory functional analysis with applications SN - 9788126511914 (pbk) U1 - B43, L8;P6;9 PY - 1989/// CY - Delhi PB - Wiley KW - Functional analysis KW - Mathematics N1 - References 675-680p.; Index 681-688p ER -