TY - RPRT TI - An adaptive multigrid solver for DPG methods with applications in linear acoustics and electromagnetics AU - Petrides, Socratis AU - Demkowicz, Leszek PY - 2021 DO - 10.1016/j.camwa.2021.01.017 UR - https://www.osti.gov/biblio/2554077 ID - 2554077 ER -