id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejde-307	Llibre, Jaume; Oliveira, Regilene; Rodrigues, Camila A. B.	Quadratic systems with an invariant algebraic curve of degree 3 and a Darboux invariantq	2021	52	.pdf	application/pdf	22812	1164	77	= y2 − x(x − 1)(x − r) with r > 1 or f(x, y) = (x+ c)(α2x+ γ2y + α2), ẏ = −(γ1/2)(x2 − y2 − 1) + x(γ2x+ α2y + cγ2), where α2(c+ 1) = 0, (H.3) ẋ	cache/ejde-307.pdf	txt/ejde-307.txt