QUALITATIVE ANALYSIS OF AN SEIS EPIDEMIC MODEL WITH NONLINEAR INCIDENCE RATE
WANG La-di;LI Jian-quan
Applied Mathematics and Mechanics (English Edition) . 2006, (5): 667 -672 .  DOI: 10.1007/s10483-006-0513-z

APS Journals | CSTAM Journals | AMS Journals | EMS Journals | ASME Journals