@article{MTMT:1049409,
	title = {Unitary asymptotes of Hilbert space operators},
	url = {https://m2.mtmt.hu/api/publication/1049409},
	author = {Kérchy, László},
	journal-iso = {BANACH CENTER PUBLICATIONS (WARSAWA)},
	journal = {BANACH CENTER PUBLICATIONS},
	volume = {30},
	unique-id = {1049409},
	issn = {0137-6934},
	year = {1994},
	pages = {191-201}
}

@article{MTMT:1048794,
	title = {Isometric asymptotes of power bounded operators},
	url = {https://m2.mtmt.hu/api/publication/1048794},
	author = {Kérchy, László},
	doi = {10.1512/iumj.1989.38.38008},
	journal-iso = {INDIANA U MATH J},
	journal = {INDIANA UNIVERSITY MATHEMATICS JOURNAL},
	volume = {38},
	unique-id = {1048794},
	issn = {0022-2518},
	year = {1989},
	eissn = {1943-5258},
	pages = {173-188}
}