@BOOK{ Book!D - 77754320,
AUTHOR = "Jackson, Dunham",
TITLE = "The theory of approximation",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Approximate comutation",
URL = "/book/77754320/The-theory-of-approximation/"}