@proceedings {30529,
	title = {Harmonic functions, crossed products and approximation properties},
	journal = {Workshop in memory of Dimitris Gatzouras, Department of Mathematics, National and Kapodistrian University of Athens, March 12-13, 2022},
	year = {2022},
	pages = {47-54},
	publisher = {Department of Mathematics, National and Kapodistrian University of Athens },
	address = {Department of Mathematics, National and Kapodistrian University of Athens},
	url = {http://users.uoa.gr/~akatavol/Gatzouras-final.pdf},
	author = {Katavolos, A.}
}
