Kernel functions and elliptic differential equations in mathematical physics,
by Stefan Bergman and M. Schiffer.
APA Citation
Bergman, S., Schiffer, M. (1953). Kernel functions and elliptic differential equations in mathematical physics. New York: Academic Press.
MLA Citation
Bergman, Stefan, b. 1898, and Menahem Schiffer. Kernel Functions And Elliptic Differential Equations In Mathematical Physics. New York: Academic Press, 1953.
Warning: These citations may not always be complete (especially for serials).