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@book{book_337153,
    title = {Contributions to Non-Standard Analysis},
    author = {W. A. J. Luxemburg and A. Robinson},
    publisher = {Elsevier Science},
    isbn = {0720420652,9780720420654},
    year = {1972},
    series = {Studies in Logic and the Foundations of Mathematics 69},
    edition = {},
    volume = {},
    url = {http://gen.lib.rus.ec/book/index.php?md5=07dc5b8345054e953e4ad217d482eef0},
    date-added = {2024-5-14 8:57:9 +0100}
}

@book{book_337153, title = {Contributions to Non-Standard Analysis}, author = {W. A. J. Luxemburg and A. Robinson}, publisher = {Elsevier Science}, isbn = {0720420652,9780720420654}, year = {1972}, series = {Studies in Logic and the Foundations of Mathematics 69}, edition = {}, volume = {}, url = {http://gen.lib.rus.ec/book/index.php?md5=07dc5b8345054e953e4ad217d482eef0}, date-added = {2024-5-14 8:57:9 +0100} }