@article{gp22b, title = {Adaptive {BEM} for elliptic {PDE} systems, part {I}: abstract framework, for weakly-singular integral equations}, author = {Gantner, Gregor and Praetorius, Dirk}, journal = {Appl. Anal.}, volume = {101}, number = {6}, pages = {2085--2118}, year = {2022}, doi = {10.1080/00036811.2020.1800651}, eprint = {arXiv:2004.07762}}