1. A quasilinear heat equation with a source: peaking, localization, symmetry, exact solutions, asymptotics, structures;Galaktionov;Itogi Nauki i Tekhniki, Seriya Sovremennie problemy matematiki: Noveishye dostizhenia,1986
2. CRC Handbook of Lie group analysis of differential equations,1994
3. Nonlinear self-adjointness in constructing conservation laws;Ibragimov;Archives of ALGA,2010
4. Ibragimov NH, Method of conservation laws for constructing solutions to systems of PDEs, Discontinuity, Nonlinearity and Complexity 2012;1:353–362.
5. Nonlinear self-adjointness and conservation laws;Ibragimov;J Phys A: Math Theor,2011