@BOOK{ Book!D - 77754461,
AUTHOR = "Mansfield, Donald Ernest",
TITLE = "Background to set and group theory; including applications in the teaching of mathemtics",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "، Set theory,، Groups, Theory of",
URL = "/book/77754461/Background-to-set-and-group-theory-including-appl/"}