id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejde-446	Llibre, Jaume; Pereira, Weber F.; Pessoa, Claudio	Phase portraits of Bernoulli quadratic polynomial differential systems	2020	19	.pdf	application/pdf	9894	598	78	Now as eα + f = eβ + f = 0 and α 6= β, we obtain e = 0. First we suppose that eα+f = 0, so the eigenvalues associated with singular points p1 = (α, 0) are λ1 = 0 and µ1 = α−β.	cache/ejde-446.pdf	txt/ejde-446.txt