TY  - JOUR
AU  - G.J. Fix
AU  - M.E. Gurtin
TI  - On Patched Variational Principles with Application to Elliptic and Mixed Elliptic-Hyperbolic Problems.
JO  - Numerische Mathematik
PY  - 1977
SP  - 259
EP  - 272
VL  - 28
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1977__28_132486/
ID  - NUMA_1977__28_132486
ER  -