Multiple Positive Solutions for Some Neutral Integral Equatious Modeling Infectious Disease
Department of Mathematics, Shandong University at Weihai, Weihai 264209, China; 2.Department of Basic Course, Naval Aeronautical Engineering Academy Qingdao Branch, Qingdao 266041, China
About author:ZHAO Hua-xiang（1965－）,male ,native of Changle ,Shandong ,an associate professor of Shandong Univer- sity at Weihai ,M．S．D．,engages in application statistics；SUN Xiang-wang（1966－）,male ,native of Binzhou ,Shandong ,a lecturer of Naval Aeronautical Engineering Academy Qingdao Branch ,engages in application statistics .
ZHAO Hua-xiang, SUN Xing-wang. Multiple Positive Solutions for Some Neutral Integral Equatious Modeling Infectious Disease[J]. Chinese Quarterly Journal of Mathematics, 2003, 18(1): 21-28.
