T. Ayano, V. M. Buchstaber, “Analytical and number-theoretical properties of the two-dimensional sigma function”, Chebyshevskii sb., 21:1 (2020), 9–50
Bernatska J., Enolski V., Nakayashiki A., “Sato Grassmannian and Degenerate SIGMA Function”, Commun. Math. Phys., 374:2 (2020), 627–660
Buchstaber V.M. Enolski V.Z. Leykin D.V., “SIGMA-Functions: Old and New Results”, Integrable Systems and Algebraic Geometry: a Celebration of Emma Previato'S 65Th Birthday, Vol 2, London Mathematical Society Lecture Note Series, 459, ed. Donagi R. Shaska T., Cambridge Univ Press, 2020, 175–214
Bernatska J. Leykin D., “On Degenerate SIGMA-Functions in Genus 2”, Glasg. Math. J., 61:1 (2019), 169–193
Komeda J., Matsutani Sh., Previato E., “The SIGMA Function For Trigonal Cyclic Curves”, Lett. Math. Phys., 109:2 (2019), 423–447
T. Ayano, V. M. Buchstaber, “Ultraelliptic integrals and two-dimensional sigma-functions”, Funct. Anal. Appl., 53:3 (2019), 157–173
Takanori Ayano, Victor M. Buchstaber, “Construction of Two Parametric Deformation of KdV-Hierarchy and Solution in Terms of Meromorphic Functions on the Sigma Divisor of a Hyperelliptic Curve of Genus 3”, SIGMA, 15 (2019), 032, 15 pp.
Nakayashiki A., “Degeneration of Trigonal Curves and Solutions of the KP-Hierarchy”, Nonlinearity, 31:8 (2018), 3567–3590
Julia Bernatska, Dmitry Leykin, “On Regularization of Second Kind Integrals”, SIGMA, 14 (2018), 074, 28 pp.
Joe Suzuki, “Klein's Fundamental $2$-Form of Second Kind for the $C_{ab}$ Curves”, SIGMA, 13 (2017), 017, 13 pp.