中国科学院数学与系统科学研究院期刊网
The Existence of Non-constant Positive Solutions for a Predator-prey Model with Cross-diffusion
LI Yanling, LI Jingrong, GUO Gaihui
Acta Mathematicae Applicatae Sinica . 2013, (2): 230 -242 .  DOI: 10.12387/C2013020