TY - RPRT TI - Weak Galerkin based a posteriori error estimates for second order elliptic interface problems on polygonal meshes AU - Mu, Lin (ORCID:0000000226692696) PY - 2019 DO - 10.1016/j.cam.2019.04.026 UR - https://www.osti.gov/biblio/2224131 ID - 2224131 ER -