TY - BOOK AU - Evans, Lawrence C. TI - Partial differential equations SN - 987-1-4704-6942-9 AV - QA 377 .E95 2010 PY - 2010/// CY - New York PB - American Mathematical Society KW - Linear equations KW - Non linear partial differential KW - Calculus variation N1 - Includes bibliographies and index ER -