Recursion Operators and Tri-Hamiltonian Structure of the First Heavenly Equation of Plebański

by Sheftel, M.B., Yazıcı, D.
Published 2016

Partner Symmetries, Group Foliation and ASD Ricci-Flat Metrics without Killing Vectors

by Sheftel, M.B., Malykh, A.A.
Published in Symmetry, Integrability and Geometry: Methods and Applications (2013)