1. Applications of Group-Theoretic Methods in Hydrodynamics;Andreev,1998
2. Nonclassical symmetry solutions and the methods of Bluman–Cole and Clarkson–Kruskal;Arrigo;J. Math. Phys.,1993
3. The general similarity solution of the heat equation;Bluman;J. Math. Mech.,1969
4. Symmetries and Differential Equations;Bluman,1989
5. Essential Mathematical Biology;Britton,2003