TY  - BOOK
AU  - Giaquinta, Mariano. Ed.
AU  - Hildebrandt, Stefam. Ed.
TI  - Calculus of Variations, Vols. I & II Vol.1: Lagrangian Formalism Vol.2: Hamiltonian Formalism
SN  - 3 540 57961 3
CY  - Berlin
ER  -