TY  - JOUR
AU  - R.E. Barnhill
AU  - J.A. Gregory
TI  - Sard Kernel Theorems on Triangular Domains with Application to Finite Element Error Bounds.
JO  - Numerische Mathematik
PY  - 1975
SP  - 215
EP  - 230
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1975__25_132375/
ID  - NUMA_1975__25_132375
ER  -