@article{Florian2020, author = {Florian Faucher, and Otmar Scherzer,}, year = {2020}, pages = {113406}, title = {Adjoint-state method for Hybridizable Discontinuous Galerkin discretization, application to the inverse acoustic wave problem}, volume = {372}, journal = {Comput. Methods Appl. Mech. Engrg.} }