TY  - BOOK
AU  - Mikhlin, S. G.
AU  - Andressen, R.S.
TI  - Numerical performance of variational methods
SN  - 90 01 58865 4
U1  - 515.64 
PY  - 1971///
CY  - Netherlands
PB  - Wolters-Noordhoff Publishing Groningen
ER  -