TY - BOOK AU - Gustafson,Karl E. TI - Introduction to partial differential equations and Hilbert space methods SN - 0471832278 U1 - 519.2 23 PY - 1987/// CY - New York PB - Wiley KW - Probabilities KW - Differential equations, Partial KW - Hilbert space N1 - Includes bibliographical references and indexes ER -