TY - RPRT TI - Numerically exact generalized Green's function cluster expansions for electron-phonon problems AU - Carbone, Matthew R. AU - Reichman, David R. AU - Sous, John PY - 2021 DO - 10.1103/physrevb.104.035106 UR - https://www.osti.gov/biblio/1850158 ID - 1850158 ER -