TY  - BOOK
AU  - Rektorys,Karel
TI  - Variational methods in mathematics, science and engineering
SN  - 9027710600
U1  - 515.64 
PY  - 1980///
CY  - Holland
PB  - D Reidel
KW  - Boundary value problems
KW  - Numerical solutions
KW  - Calculus of variations
KW  - Differential equations
KW  - Hilbert space
ER  -