TY - BOOK AU - Haase, Markus TI - Functional analysis: an elementary introduction T2 - Graduate studies in mathematics ; 156 SN - 9781470454739 U1 - 515.7 PY - 2014/// CY - Providence. PB - American Mathematical Society KW - Mathematics KW - Functional analysis KW - Textbooks KW - Differential equations, Partial N1 - Includes bibliographical references and index ER -