@article{MTMT:1048210,
	title = {On C0-operators with property (P)},
	url = {https://m2.mtmt.hu/api/publication/1048210},
	author = {Kérchy, László},
	journal-iso = {ACTA SCI MATH (SZEGED)},
	journal = {ACTA SCIENTIARUM MATHEMATICARUM (SZEGED)},
	volume = {42},
	unique-id = {1048210},
	issn = {0001-6969},
	year = {1980},
	pages = {109-116}
}

@article{MTMT:1048193,
	title = {Compléments a l'étude des opérateurs de classe C0. IV [Additional notes on the study of class co operators 4.]},
	url = {https://m2.mtmt.hu/api/publication/1048193},
	author = {Bercovici, H and Foias, C and Kérchy, László and Sz, -Nagy B},
	journal-iso = {ACTA SCI MATH (SZEGED)},
	journal = {ACTA SCIENTIARUM MATHEMATICARUM (SZEGED)},
	volume = {41},
	unique-id = {1048193},
	issn = {0001-6969},
	year = {1979},
	pages = {29-31}
}