TY  - RPRT
TI  - A collection of 2D elliptic problems for testing adaptive algorithms 
AU  - Mitchell, William F
PY  - 2010
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 7668
DO  - 10.6028/NIST.IR.7668
ER  -