@BOOK{ Book!D - 92012106,
AUTHOR = "Modenov, P. S.",
TITLE = "Problems in geometry",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه صنعتی خواجه نصير الدين طوسى",
SUBJECT = "، Geometry- Problems, exercises, etc",
URL = "/book/92012106/Problems-in-geometry/"}