Variational methods in economics /
G. Hadley and M. C. Kemp.
- 1st ed.
- Amsterdam, New York : North-Holland Pub. Co.; American Elsevier Pub. Co., c1971 [Printing 1973].
- ix, 378 p. ; 23 cm.
"Sole distributors for the U.S.A.: American Elsevier, New York, N.Y."