Thomas M. Roberts, “Scattering for step-periodic potentials in one dimension”, Journal of Mathematical Physics, 31:9 (1990), 2181
Tuncay Aktosun, Cornelis van der Mee, “Construction of the potential of the 3D Schrödinger equation from the scattering operator by using a Fredholm integral equation”, Phys. Rev. Lett., 63:23 (1989), 2541
Anders Melin, Lecture Notes in Physics, 325, Resonances The Unifying Route Towards the Formulation of Dynamical Processes Foundations and Applications in Nuclear, Atomic and Molecular Physics, 1989, 47
Daniel Zwillinger, Handbook of Differential Equations, 1989, 321
Maciej Zworski, “Sharp polynomial bounds on the number of scattering poles of radial potentials”, Journal of Functional Analysis, 82:2 (1989), 370
R Beals, R R Coifman, “Linear spectral problems, non-linear equations and the δ-method”, Inverse Problems, 5:2 (1989), 87
O C W Kong, P C W Fung, “Isospectral Hamiltonians from inverse scattering: I. Transformations in a united framework”, Inverse Problems, 5:5 (1989), 783
Th. Kirst, K. Amos, L. Berge, M. Coz, H. V. von Geramb, “Nucleon-nucleon potentials from Gel'fand-Levitan and Marchenko inversions”, Phys. Rev. C, 40:2 (1989), 912
W.-M. Boerner, IEEE International Symposium on Circuits and Systems, 1989, 999
В. В. Суханов, “Обратная задача для самосопряженного дифференциального оператора на оси”, Матем. сб., 137(179):2(10) (1988), 242–259 ; V. V. Sukhanov, “An inverse problem for a selfadjoint differential operator on the line”, Math. USSR-Sb., 65:1 (1990), 249–266