Journal of Applied Sciences1812-56541812-5662Asian Network for Scientific Information10.3923/jas.2006.1601.1603YingjieCheng 7200667To make the fuzzy mathematics get wider application in books and information fields, this research investigates the status quo of Yanshan University library and applies the fuzzy order-optimum theory to select the core periodicals of mathematics and physics in The main contents for Chinese Core Periodicals.]]>Shoujing, Z., 2002pp: 284pp: 284Shouyu, C., 2002115Zhiming, H., 200114345Zhongxiong, H.,1999pp: 124-139pp: 124-139