TY  - BOOK
TI  - Partial differential equations 
SN  - 9780821814048 | 9780821892893
N1  - Proceedings of the Fourth Symposium in Pure Mathematics of the American Mathematical Society, held at the Unviersity of California, Berkeley, California, April 21-22, 1960
UR  - http://www.columbia.edu/cgi-bin/cul/resolve?clio11120665
ER  -