@BOOK{ Book!D - 104691304,
AUTHOR = "/ Lindsay N. Childs.",
TITLE = "A concrete introduction to higher algebra",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه مراغه",
SUBJECT = "algebra",
URL = "/book/104691304/A-concrete-introduction-to-higher-algebra/"}