A. O. Smirnov, D. V. Sugak, “Sistema Manakova i fuksovy uravneniya”, Vestnik Sankt-Peterburgskogo universiteta. Matematika. Mekhanika. Astronomiya, 12:2 (2025), 269–285
P. G. Grinevich, S. P. Novikov, “Singular solitons and spectral meromorphy”, Russian Math. Surveys, 72:6 (2017), 1083–1107
Grinevich P.G., Novikov S.P., “Singulyarnye solitony i indefinitnye metriki”, Doklady Akademii nauk, 436:3 (2011), 302–305
S. I. Pokhozhaev, “On the Singular Solutions of the Korteweg–de Vries Equation”, Math. Notes, 88:5 (2010), 741–747
P. G. Grinevich, S. P. Novikov, “Singular finite-gap operators and indefinite metrics”, Russian Math. Surveys, 64:4 (2009), 625–650
A. K. Pogrebkov, “Boson-fermion correspondence and quantum integrable and dispersionless models”, Russian Math. Surveys, 58:5 (2003), 1003–1037
V. B. Matveev, “Positons: Slowly Decreasing Analogues of Solitons”, Theoret. and Math. Phys., 131:1 (2002), 483–497
V. A. Andreev, S. M. Kharchev, M. V. Shmakova, “Supersymmetric structure of Kadomtsev–Petviashvili equation: Connection between supersymmetry and Bäcklund transformations”, Theoret. and Math. Phys., 91:3 (1992), 623–628
V. D. Lipovskii, A. V. Shirokov, “$2+1$ Toda chain. I. Inverse scattering method”, Theoret. and Math. Phys., 75:3 (1988), 555–566
R. A. Sharipov, “Multiplet solutions of the Kadomtsev–Petviashvili equation against a finite-zone background”, Russian Math. Surveys, 42:5 (1987), 177–178