V. G. Bardakov, T. A. Kozlovskaya, “Multivalued groups and Newton polyhedron”, Sib. elektron. matem. izv., 20:2 (2023), 1590–1596
V. M. Buchstaber, A. P. Veselov, A. A. Gaifullin, “Classification of involutive commutative two-valued groups”, Russian Math. Surveys, 77:4 (2022), 651–727
D. V. Gugnin, “Any Suspension and Any Homology Sphere Are $2H$-Spaces”, Proc. Steklov Inst. Math., 318 (2022), 45–58
Vladimir Dragović, Milena Radnović, “Caustics of Poncelet Polygons and Classical Extremal Polynomials”, Regul. Chaotic Dyn., 24:1 (2019), 1–35
D. V. Gugnin, “Razvetvlennye nakrytiya mnogoobrazii i $nH$-prostranstva”, Funkts. analiz i ego pril., 53:2 (2019), 68–71
V. M. Buchstaber, A. P. Veselov, “Conway topograph, $\mathrm{PGL}_2(\pmb{\mathbb Z})$-dynamics and two-valued groups”, Russian Math. Surveys, 74:3 (2019), 387–430
D. V. Gugnin, “Branched Coverings of Manifolds and nH-Spaces”, Funct Anal Its Appl, 53:2 (2019), 133
V. M. Buchstaber, V. I. Dragovich, “Two-Valued Groups, Kummer Varieties, and Integrable Billiards”, Arnold Math. J., 4:1 (2018), 27–57
Vladimir Dragović, Borislav Gajić, “Some Recent Generalizations of the Classical Rigid Body Systems”, Arnold Math J., 2:4 (2016), 511
Proc. Steklov Inst. Math., 286 (2014), 224–239