TY  - JOUR
AU  - W.G. Kolata
TI  - Approximation in Variationally Posed Eigenvalue Problems.
JO  - Numerische Mathematik
PY  - 1977
SP  - 159
EP  - 172
VL  - 29
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1977__29_132511/
ID  - NUMA_1977__29_132511
ER  -