TY  - RPRT
TI  - First-Order System Least-Squares for Second-Order Elliptic Problems with Discontinuous Coefficients
AU  - Manteuffel, Thomas A.
AU  - McCormick, Stephen F.
AU  - Starke, Gerhard
PY  - 1996
UR  - https://ntrs.nasa.gov/citations/19970006604
ID  - 19970006604
ER  -