@BOOK{ Book!D - 104455272,
AUTHOR = "Polster, Burkard",
TITLE = "Geometrics on surfaces",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی اصفهان",
SUBJECT = "Geometry, Projective►Surfaces",
URL = "/book/104455272/Geometrics-on-surfaces/"}