\input zb-basic
\input zb-ioport
\iteman{io-port 50140837}
\itemau{Xu, Changjin; Liao, Maoxin; He, Xiaofei}
\itemti{Stability and Hopf bifurcation analysis for a Lotka-Volterra predator-prey model with two delays}
\itemso{Applied Mathematics and Computer Science 21, No. 1, 97-107 (2011).}
\itemcc{}
\itemut{}
\itemli{doi:10.2478/v10006-011-0007-0}
\end