@article{gp20,
title = {Adaptive {IGAFEM} with optimal convergence rates: {T}-splines},
author = {Gantner, Gregor and Praetorius, Dirk},
journal = {Comput. Aided Geom. Design},	
volume = {81},
pages = {101906},
year = {2020},
doi = {10.1016/j.cagd.2020.101906},
eprint = {arXiv:1910.01311}}