id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejde-301	Li, Mengyuan; Liu, Qihuai	Periodic orbits of the spatial anisotropic Kepler problem with anisotropic perturbations	2021	42	.pdf	application/pdf	16403	815	79	× ( (1− p)(1−G √ −2h)−m )(1−G √ −2h G √ −2h )m−1 and D2(G;h, p) = −β2p−1 √ −2h 2p−2 ( G √ −2h+ 1 )−p−1 1−p∑ m=0 Cm1−p (1− p)! if |β| < 1/16, such that ζε ±(0) tends to(1 2 , 1 2 cos g0 sin k0, 1 2 sin g0, √ 2 sin g0 cos k0, √ 2 sin g0 sin k0,− √ 2 cos g0 ) , as ε→ 0 where g0 = ±1 2 arccos (−16β) .	cache/ejde-301.pdf	txt/ejde-301.txt