RT Journal T1 Transcritical bifurcation for a pest management model with impulse and virus infection A1 WANG Ai-li PB JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) FD YR 2020 JF JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) VO 55 IS 7 SP 1 DO 10.6040/j.issn.1671-9352.2.2019.319 K1 pest management;state-dependent feedback control;semi-dynamical system;periodic solution;transcritical bifurcation LK {http://lxbwk.njournal.sdu.edu.cn/EN/article/article_3297.shtml}