@article{Bozapalidis_1988,
    title = {Varieties of formal series on trees and Eilenberg’s theorem},
    volume = {29},
    issn = {0020-0190},
    url = {http://dx.doi.org/10.1016/0020-0190(88)90056-7},
    doi = {10.1016/0020-0190(88)90056-7},
    number = {4},
    journal = {Information Processing Letters},
    publisher = {Elsevier BV},
    author = {Bozapalidis, Symeon and Ioulidis, Stavros},
    year = {1988},
    month = {nov},
    pages = {171–175},
    date-added = {2026-2-3 15:51:49 +0100}
}

@article{Bozapalidis_1988, title = {Varieties of formal series on trees and Eilenberg’s theorem}, volume = {29}, issn = {0020-0190}, url = {http://dx.doi.org/10.1016/0020-0190(88)90056-7}, doi = {10.1016/0020-0190(88)90056-7}, number = {4}, journal = {Information Processing Letters}, publisher = {Elsevier BV}, author = {Bozapalidis, Symeon and Ioulidis, Stavros}, year = {1988}, month = {nov}, pages = {171–175}, date-added = {2026-2-3 15:51:49 +0100} }