TY - BOOK AU - Bergman,Stefan AU - Schiffer,Menahem TI - Kernel functions and elliptic differential equations in mathematical physics, AV - QA3 .P8 vol. 4 U1 - 517.38 PY - 1953/// CY - New York PB - Academic Press KW - Functions KW - Differential equations N1 - Bibliography: p. [408]-419 ER -