@BOOK{ Book!D - 93059807,
AUTHOR = "/ Robert B. Ash",
TITLE = "A primer of abstract mathematics",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه محقق اردبیلی ره",
SUBJECT = "Algebra, Abstract",
URL = "/book/93059807/A-primer-of-abstract-mathematics/"}