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@book{book_962795,
    title = {Varieties of Formal Languages},
    author = {J. E. Pin},
    publisher = {Springer US},
    isbn = {978-1-4612-9300-2,978-1-4613-2215-3},
    year = {1986},
    series = {Foundations of Computer Science},
    edition = {},
    volume = {},
    url = {http://gen.lib.rus.ec/book/index.php?md5=86c280b989f253882eed68443fd1d8e0},
    date-added = {2024-12-12 10:15:34 +0100}
}

@book{book_962795, title = {Varieties of Formal Languages}, author = {J. E. Pin}, publisher = {Springer US}, isbn = {978-1-4612-9300-2,978-1-4613-2215-3}, year = {1986}, series = {Foundations of Computer Science}, edition = {}, volume = {}, url = {http://gen.lib.rus.ec/book/index.php?md5=86c280b989f253882eed68443fd1d8e0}, date-added = {2024-12-12 10:15:34 +0100} }