@article {kuchta2020analysis,
	title = {Analysis and approximation of mixed-dimensional PDEs on 3D-1D domains coupled with Lagrange multipliers},
	journal = {SIAM Journal on Numerical Analysis},
	volume = {59},
	year = {2021},
	pages = {558{\textendash}582},
	publisher = {SIAM},
	doi = {https://doi.org/10.1137/20M1329664},
	author = {Kuchta, Miroslav and Laurino, Federica and Mardal, Kent-Andre and Zunino, Paolo}
}
