Matti Linna. Finite Power Property of Regular Languages. In ICALP. pages 87-98, 1972.
@inproceedings{Linna72, title = {Finite Power Property of Regular Languages}, author = {Matti Linna}, year = {1972}, researchr = {https://researchr.org/publication/Linna72}, cites = {0}, citedby = {0}, pages = {87-98}, booktitle = {ICALP}, }