id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejde-457	Oliveira, Regilene; Valls, Claudia	Global dynamics of the May-Leonard system with a Darboux invariant	2020	19	.pdf	application/pdf	8682	384	72	Moreover, the f1(x, y, z) = 0, f2(x, y, z) = 0 and f3(x, y, z) = 0 have cofactors, 1 − x − αy − βz, 1 − βx − y − αz and 1 − αx − βy − z, respectively. Denote by X̄ the vector field D(f ◦ X) defined on S2 \ S1, where S1 = {y ∈ S2 : y3 = 0} is identified with the infinity of R2.	cache/ejde-457.pdf	txt/ejde-457.txt