RT Journal T1 DYNAMICS FOR AN SIR EPIDEMIC MODEL WITH NONLOCAL DIFFUSION AND FREE BOUNDARIES A1 赵孟, 李万同, 曹佳峰 PB 数学物理学报(英文版) FD 2021-08-25 YR 2021 JF Acta Mathematica Scientia JO 数学物理学报(英文版) VO 41 IS 4 SP 1081 DO 10.1007/s10473-021-0404-x K1 SIR model;nonlocal diffusion;free boundary;spreading and vanishing LK {http://121.43.60.238/sxwlxbB/CN/article/article_16467.shtml}