@article{Eggan_1963,
    title = {Transition graphs and the star-height of regular events},
    volume = {10},
    issn = {0026-2285},
    url = {http://dx.doi.org/10.1307/mmj/1028998975},
    doi = {10.1307/mmj/1028998975},
    number = {4},
    journal = {Michigan Mathematical Journal},
    publisher = {Michigan Mathematical Journal},
    author = {Eggan, L. C.},
    year = {1963},
    month = {dec},
    date-added = {2024-10-5 22:56:52 +0100}
}

@article{Eggan_1963, title = {Transition graphs and the star-height of regular events}, volume = {10}, issn = {0026-2285}, url = {http://dx.doi.org/10.1307/mmj/1028998975}, doi = {10.1307/mmj/1028998975}, number = {4}, journal = {Michigan Mathematical Journal}, publisher = {Michigan Mathematical Journal}, author = {Eggan, L. C.}, year = {1963}, month = {dec}, date-added = {2024-10-5 22:56:52 +0100} }