@BOOK{ Book!D - 103045289, AUTHOR = "/ Ward Cheney, Will Light", TITLE = "A course in approximation theory", LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه کردستان", SUBJECT = "Approximation theory", URL = "/book/103045289/A-course-in-approximation-theory/"}