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@book{book_246886,
    title = {A Comprehensive Introduction to Differential Geometry, Vol. 4},
    author = {Michael Spivak},
    publisher = {Publish or Perish},
    isbn = {091409873X,9780914098737},
    year = {1999},
    series = {},
    edition = {3rd},
    volume = {vol 4},
    url = {http://gen.lib.rus.ec/book/index.php?md5=4bb74c82faf5360d8b7e59dec1391037},
    date-added = {2024-3-16 9:26:38 +0100}
}

@book{book_246886, title = {A Comprehensive Introduction to Differential Geometry, Vol. 4}, author = {Michael Spivak}, publisher = {Publish or Perish}, isbn = {091409873X,9780914098737}, year = {1999}, series = {}, edition = {3rd}, volume = {vol 4}, url = {http://gen.lib.rus.ec/book/index.php?md5=4bb74c82faf5360d8b7e59dec1391037}, date-added = {2024-3-16 9:26:38 +0100} }