id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-7669	Smilga, Andrei	Modified Korteweg-de Vries equation as a system with benign ghosts	2022	7	.pdf	application/pdf	4447	285	67	− 2u3uxx − 2u6 ] (12) For the time-independent Ansatz, we obtain, instead of (7), ∂x(uxx + 2u3) Suppressing the nonlinear term in the KdV or MKdV equations, we obtain uxxx + ut = 0 .	cache/ap-7669.pdf	txt/ap-7669.txt