TY  - BOOK
AU  - Kristaly, Alexandru
AU  - Radulescu, Vicentiu D.
TI  - Variational principles in mathematical physics, geometry and economics: qualitative analysis of nonlinear equations and unilateral problems
SN  - 9780521117821
U1  - 515.64 
PY  - 2010///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Calculus of variations
ER  -