Calculus of variations and partial differential equations of the first order /
Carathéodory, Constantin,1873-1950.
Carathéodory, Constantin,1873-1950.Variationsrechnung und partielle Differentialgleichungen erster Ordnung.
American Mathematical Society.
Providence : AMS ChelseaPub.,
1999, c1989.
Previous English ed. New York : Chelsea Pub., 1982.
Includes bibliographical references and index.
Calculus of variations.
Differential equations, Partial.