共 50 条
- [31] EXISTENCE OF MORE LIMIT-CYCLES IN GENERAL PREDATOR PREY MODELS [J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1989, 22 (03): : L61 - L66
- [33] LIMIT-CYCLES OF QUADRATIC SYSTEMS [J]. COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES SERIE A, 1980, 291 (05): : 337 - 340
- [38] On the hyperelliptic limit cycles of Lienard systems [J]. NONLINEARITY, 2012, 25 (06) : 1601 - 1611
- [39] THE PREDATOR-PREY MODEL WITH 2 LIMIT-CYCLES .1. [J]. KEXUE TONGBAO, 1987, 32 (21): : 1509 - 1510