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@book{book_59020,
    title = {A Comprehensive Introduction to Differential Geometry, Vol. 2, 3rd Edition },
    author = {Michael Spivak},
    publisher = {Publish or Perish},
    isbn = {9780914098713,0914098713},
    year = {1999},
    series = {},
    edition = {3rd},
    volume = {},
    url = {http://gen.lib.rus.ec/book/index.php?md5=b5609d685deb92c9cfdd33dfdea22e47},
    date-added = {2024-3-16 9:25:34 +0100}
}

@book{book_59020, title = {A Comprehensive Introduction to Differential Geometry, Vol. 2, 3rd Edition }, author = {Michael Spivak}, publisher = {Publish or Perish}, isbn = {9780914098713,0914098713}, year = {1999}, series = {}, edition = {3rd}, volume = {}, url = {http://gen.lib.rus.ec/book/index.php?md5=b5609d685deb92c9cfdd33dfdea22e47}, date-added = {2024-3-16 9:25:34 +0100} }