TY - BOOK AU - Bergman,Stefan AU - Schiffer,Menahem TI - Kernel functions and elliptic differential equations in mathematical physics T2 - Pure and applied mathematics (Academic Press) U1 - 517.38 PY - 1953/// CY - New York PB - Academic Press KW - Functions KW - Differential equations N1 - Includes index; Bibliography: p. [408]-419 ER -