@BOOK{ Book!D - 100638945,
AUTHOR = "/ [by] Gerson B. Robison",
TITLE = "An introduction to mathematical logic",
LIBRARY= "کتابخانه دانشکده حقوق و علوم سیاسی (دانشگاه تهران)",
SUBJECT = "Logic, Symolic and mathematical",
URL = "/book/100638945/An-introduction-to-mathematical-logic/"}