@article {15472,
	title = {On an analogue of a theorem by Astala and Tylli},
	journal = {Archiv der Mathematik},
	volume = {118},
	year = {2022},
	pages = {73-77},
	url = {https://link.springer.com/article/10.1007/s00013-021-01679-w},
	author = {Karlovich, Alexei and Shargorodsky, Eugene}
}
