V. S. Gerdjikov, A. B. Yanovski, “CBC Systems with Mikhailov Reductions by Coxeter Automorphism: I. Spectral Theory of the Recursion Operators”, Stud Appl Math, 134, № 2, 2015, 145
Alexandar B Yanovski, “Gauge equivalent integrable equations on sl(3) with reductions”, J. Phys.: Conf. Ser., 621, 2015, 012017
Hui Ma, Derchyi Wu, “Twisted hierarchies associated with the generalized sine-Gordon equation”, Journal of Mathematical Physics, 52, № 9, 2011, 093704
A. B. Yanovski, G. Vilasi, “Geometry of the Recursion Operators for the GMV System”, JNMP, 19, № 3, 2012, 373
V. S. Gerdjikov, G. G. Grahovski, A. V. Mikhailov, T. I. Valchev, “Rational bundles and recursion operators for integrable equations on A.III-type symmetric spaces”, Theor Math Phys, 167, № 3, 2011, 740
Georgi G. Grahovski, “The generalised Zakharov–Shabat system and the gauge group action”, Journal of Mathematical Physics, 53, № 7, 2012, 073512
A. B. Yanovski, T. I. Valchev, “Pseudo-Hermitian Reduction of a Generalized Heisenberg Ferromagnet Equation. I. Auxiliary System and Fundamental Properties”, JNMP, 25, № 2, 2021, 324
Derchyi Wu, “A twisted integrable hierarchy with $\mathbb D_2$D2 symmetry”, Journal of Mathematical Physics, 53, № 10, 2012, 103708
A. B. Yanovski, T. I. Valchev, 793, Advanced Computing in Industrial Mathematics, 2019, 433
Tihomir I. Valchev, 1076, Advanced Computing in Industrial Mathematics, 2023, 166