TY - BOOK AU - Bergman, Stefan AU - Schiffer, M. TI - Kernel functions and elliptic differential equations in mathematical physics T2 - Pure and applied mathematics; v. 4 PY - 1953/// CY - New York PB - Academic Press KW - Elliptic differential equations KW - Kernel functions KW - NASA Thesaurus KW - Partial differential equations ER -