@BOOK{ Book!D - 93069160,
AUTHOR = "/ by Max Black",
TITLE = "The nature of mathematics",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه محقق اردبیلی ره",
SUBJECT = "Mathematics- Philosophy,Logic, Symbolic and mathematical,Whitehead, Alfred North, 1861-1947. Principia mathematica,Russell, Bertrand, 1872-1970, joint author. Principia mathematica",
URL = "/book/93069160/The-nature-of-mathematics/"}