TY - Acta mathematica scientia,Series B A1 - Xianzhong ZENG, Lingyu LIU, Weiyuan XIE T1 - EXISTENCE AND UNIQUENESS OF THE POSITIVE STEADY STATE SOLUTION FOR A LOTKA-VOLTERRA PREDATOR-PREY MODEL WITH A CROWDING TERM Y1 - 2020-12-25 JF - Acta mathematica scientia, Series B JO - Acta mathematica scientia,Series B SP - 1961 EP - 1980 VL - 40 IS - 6 UR - http://121.43.60.238/sxwlxbB N1 - 10.1007/s10473-020-0622-7 ER -