Transactions of the symposium on partial differential equations held at the University of California, at Berkeley, June 20-July 1, 1955. Sponsored by [the] Office of Naval Research, [the] University of California ... [the] University of Kansas ... and [the] American Mathematical Society /
United States.Office of Naval Research.
Aronszajn, N.
Douglis, A.
Morrey, Charles Bradfield,1907-
New York & London,
[1956]