id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-3328	Durmagambetov, Asset	Reduction of modern problems of mathematics to the classical Riemann-Poincare-Hilbert problem	2018	34	.pdf	application/pdf	10302	643	83	= − k 4π ∫ S2 A(k, θ ′ , θ)Ψ−(k, θ ′ , x)dθ ′ , k ∈ R. (4) This equation is the key to solving the inverse scattering problem and was first used by Newton Using the equation Ψ+(k, θ, x)−Ψ−(k, θ, x) = − k 4π ∫ S2 A(k, θ ′ , θ)Ψ−(k, θ ′ , x)dθ ′ , k ∈ R, we can write T+g+ − T−g− = D(T−g− + Ψ0).	cache/ejpam-3328.pdf	txt/ejpam-3328.txt