М. В. Карасёв, В. П. Маслов, “Нелиевские перестановочные соотношения”, УМН, 45:5(275) (1990), 41–79 ; M. V. Karasev, V. P. Maslov, “Non-Lie permutation relations”, Russian Math. Surveys, 45:5 (1990), 51–98
B. Davies, “Higher conservation laws for the quantum non-linear Schrödinger equation”, Physica A: Statistical Mechanics and its Applications, 167:2 (1990), 433
N. Reshetikhin, F. Smirnov, “Hidden quantum group symmetry and integrable perturbations of conformal field theories”, Commun.Math. Phys., 131:1 (1990), 157
André LeClair, NATO ASI Series, 238, Physics, Geometry and Topology, 1990, 605
R. K. Bullough, D. J. Pilling, J. Timonen, Yi Cheng, Yu-Zhong Chen, Research Reports in Physics, Nonlinear Physics, 1990, 98
O. Babelon, L. Bonora, “Conformal affine sl2 Toda field theory”, Physics Letters B, 244:2 (1990), 220
L. D. Faddeev, “On the exchange matrix for WZNW model”, Commun.Math. Phys., 132:1 (1990), 131
A.M. Kosevich, B.A. Ivanov, A.S. Kovalev, “Magnetic Solitons”, Physics Reports, 194:3-4 (1990), 117
A.I. Maimistov, A.M. Basharov, S.O. Elyutin, Yu.M. Sklyarov, “Present state of self-induced transparency theory”, Physics Reports, 191:1 (1990), 1
L. Faddeev, Fields and Particles, 1990, 89