TY  - JOUR
AU  - Xiang-Sheng Wang
AU  - Jianhong Wu
TI  - Periodic systems of delay differential equations and avian influenza dynamics
JO  - Contemporary Mathematics. Fundamental Directions
PY  - 2012
SP  - 32
EP  - 42
VL  - 45
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMFD_2012_45_a2/
LA  - ru
ID  - CMFD_2012_45_a2
ER  -