List of publications
H. Baran, Can we always distinguish between positive and negative hierarchies?, J. Phys. A: Math. Gen. 38 (2005), L301–L306 .
H. Baran, M. Marvan, A conjecture concerning nonlocal terms of recursion operators. Journal of Mathematical Sciences 151, no. 4, (2008), 3083–3090 (English translation), Fundam. Prikl. Mat. 12 (2006) (7) 23–33 (in Russian).
H. Baran, M. Marvan, On integrability of Weingarten surfaces: a forgotten class J. Phys. A: Math. Theor. 42 (2009), 404007 .
H. Baran, M. Marvan, Classification of integrable Weingarten surfaces possessing an sl(2)-valued zero curvature representation, Nonlinearity 23 (2010) 2577–2597.
H. Baran, I.S. Krasil'shchik, O.I. Morozov, P. Vojčák, Higher symmetries of cotangent coverings for Lax-integrable multi-dimensional partial differential equations and Lagrangian deformations, Journal of Physics: Conference Series 482 (2014), 012002. DOI 10.1088/1742-6596/482/1/012002
H. Baran, I.S. Krasil'shchik, O.I. Morozov and P. Vojčák, Symmetry reductions and exact solutions of Lax integrable 3-dimensional systems, Journal of Nonlinear Mathematical Physics 21, no. 4, (2014), 643–671. DOI: 10.1080/14029251.2014.975532
H. Baran, I.S. Krasil'shchik, O.I. Morozov and P. Vojčák, Integrability properties of some equations obtained by symmetry reductions , Journal of Nonlinear Mathematical Physics 22, no. 2, (2015), 210–232. DOI: 10.1080/14029251.2015.1023582
H. Baran, I.S. Krasil'shchik, O.I. Morozov and P. Vojčák, Five-dimensional lax-integrable equation, its reductions and recursion operator, Lobachevskii Journal of Mathematics 36, no. 3, (2015), 225–233. DOI: 10.1134/S1995080215030026
H. Baran, I.S. Krasil'shchik, O.I. Morozov and P. Vojčák, Coverings over Lax integrable equations and their nonlocal symmetries, Theor Math Phys 188, no. 3, (2016), 1273–1295 . H. Baran, I.S. Krasil'shchik, O.I. Morozov and P. Vojčák , Nonlocal Symmetries
of Integrable Linearly Degenerate Equations: A Comparative Study. Theor Math Phys. 196, 1089–1110 (2018) . H. Baran, P. Blaschke, I.S. Krasil'shchik , M. Marvan.: On symmetries of the Gibbons–Tsarev equation. Journal of Geometry and Physics. 144, 54–80 (2019) . H. Baran , Infinitely many commuting nonlocal symmetries for modified Martínez Alonso–Shabat equation. Communications in Nonlinear Science and Numerical Simulation. 96, (2021) .