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@book{book_599970,
    title = {An introduction to manifolds},
    author = {Loring W. Tu},
    publisher = {Springer-Verlag New York},
    isbn = {1441973990,9781441973993},
    year = {2011},
    series = {Universitext},
    edition = {2},
    volume = {},
    url = {http://gen.lib.rus.ec/book/index.php?md5=67e1de09798bbb7a9ec6cb30f67fa582},
    date-added = {2024-4-5 15:11:5 +0100}
}

@book{book_599970, title = {An introduction to manifolds}, author = {Loring W. Tu}, publisher = {Springer-Verlag New York}, isbn = {1441973990,9781441973993}, year = {2011}, series = {Universitext}, edition = {2}, volume = {}, url = {http://gen.lib.rus.ec/book/index.php?md5=67e1de09798bbb7a9ec6cb30f67fa582}, date-added = {2024-4-5 15:11:5 +0100} }