TY  - RPRT
TI  - Fourth Order Finite Difference Methods for the Wave Equation with Mesh Refinement Interfaces
AU  - Wang, Siyang
AU  - Petersson, N. Anders
PY  - 2019
DO  - 10.1137/18m1211465
UR  - https://www.osti.gov/biblio/1734602
ID  - 1734602
ER  -