Leach Peter G. L.

Publications in Math-Net.Ru

1. Nonlocal Constants of Motions of Equations of Painlevé – Gambier Type and Generalized Sundman Transformation
   
   Rus. J. Nonlin. Dyn., 18:1 (2022),  103–118
2. Lie algebraic treatment of the quadratic invariants for a quantum system
   
   TMF, 159:1 (2009),  142–161
3. Aspects of proper differential sequences of ordinary differential equations
   
   TMF, 159:1 (2009),  64–80
4. Symmetry Properties of Autonomous Integrating Factors
   
   SIGMA, 1 (2005), 024, 12 pp.
5. Ermakov's Superintegrable Toy and Nonlocal Symmetries
   
   SIGMA, 1 (2005), 018, 15 pp.