TWMS Journal of Applied and Engineering Mathematics
206-219
epidemic model, stability, analytic rst integral, algebraic invariant, Hopf bifurcation.
TWMS Journal of Applied and Engineering Mathematics
TWMS Journal of Applied and Engineering Mathematics
TWMS Journal of Applied and Engineering Mathematics
TWMS Journal of Applied and Engineering Mathematics
TWMS Journal of Applied and Engineering Mathematics
TWMS Journal of Applied and Engineering Mathematics
TWMS Journal of Applied and Engineering Mathematics