Partial differential equations/
Edited by D. C. Spencer.
- Providence, R.I.: American Mathematical Society, 1973.
- vii, 505 p.: 26 cm.
- Proceedings of symposia in pure mathematics; v. 23. .
"An outgrowth of lectures delivered at the eighteenth Summer Research Institute of the American Mathematical Society held from August 9 to August 27, 1971."