@BOOK{ Book!D - 103433233,
AUTHOR = "/ Jierai Gregor, Jaroslav Tiesor",
TITLE = "Discovering mathematics",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه شهيد چمران",
SUBJECT = "Mathematical analysis.,Problem solving.",
URL = "/book/103433233/Discovering-mathematics/"}