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@book{book_1352867,
    title = {Elementary Calculus: An Infinitesimal Approach},
    author = {H. Jerome Keisler},
    publisher = {},
    isbn = {},
    year = {2013},
    series = {},
    edition = {revised December 2013},
    volume = {},
    url = {http://gen.lib.rus.ec/book/index.php?md5=5b21ac49363ab7a3a0d4a78a1d54d157},
    date-added = {2024-5-10 19:11:22 +0100}
}

@book{book_1352867, title = {Elementary Calculus: An Infinitesimal Approach}, author = {H. Jerome Keisler}, publisher = {}, isbn = {}, year = {2013}, series = {}, edition = {revised December 2013}, volume = {}, url = {http://gen.lib.rus.ec/book/index.php?md5=5b21ac49363ab7a3a0d4a78a1d54d157}, date-added = {2024-5-10 19:11:22 +0100} }