@BOOK{ Book!D - 90018699,
AUTHOR = " John Mason, Sergiy Klymchuk",
TITLE = "Using counter-examples in calculus /",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Calculus-- Study and teaching (Higher),Calculus, Problems, exercises, etc",
URL = "/book/90018699/Using-counterexamples-in-calculus/"}