Variational methods in economics.
[By] G. Hadley [and] M.C. Kemp.
- Amsterdam, New York, North-Holland Pub. Co.; American Elsevier Pub. Co. 1971.
- ix, 378 p 23 cm.
- Advanced textbooks in economics v. 1. .
"Sole distributors for the U.S.A.: American Elsevier, New York, N.Y."