| 2008 |
| Georgios Flessas, P. Leach, Noetherian first integrals, Journal of Nonlinear Mathematical Physics, Vol = 5, pp. = 0, , 9, 2008, |
| | |
| 2006 |
| Georgios Flessas, P. Leach, Riemann's equation and Lie point symmetries, Phys. Scr. (IOP Journal), Vol = 73, pp. = 0, , 377, 2006, |
| | |
| 2004 |
| Georgios Flessas, A. Yannacopoulos, P. Leach, Stochastic effects of the non-linear Schroedinger equation, Journal of Optics B: Quantum and Semiclassical Optics (IOP Journal), Vol = 6, pp. = 0, , 161, 2004, |
| | |
| 2003 |
| Georgios Flessas, P. Leach, Generalisations of the Laplace – Runge – Lenz vector, Journal of Nonlinear Mathematical Physics, Vol = 10, pp. = 0, , 340, 2003, |
| | |
| 2001 |
| Georgios Flessas, P. Leach, Solutions in closed form and as power series to the real Lorenz equations, Journal of Physics A: Mathematical and General (IOP Journal), Vol = 34, pp. = 0, , 6013, 2001, |
| | |
| Georgios Flessas, P. Leach, K. Andriopoulos, Complete symmetry groups of ordinary differential equations and their integrals : some basic considerations, Journal of Mathematical Analysis and Applications, Vol = 262, pp. = 0, , 256, 2001, |
| | |
| 2000 |
| Spiros Cotsakis, Georgios Flessas, L. Querella, P. Leach, Ever-Expanding, Isotropizing, Quadratic Cosmologies, Grav. Cosm., Vol = 6, pp. = 0, , 282-290, 2000, |
| | |
| Spiros Cotsakis, Georgios Flessas, P. Leach, Symmetries, Singularities and Integrability in Complex Dynamics I: The reduction problem, J. Nonl. Math. Phys., Vol = 7, pp. = 0, , 445-479, 2000, |
| | |
| Spiros Cotsakis, Georgios Flessas, P. Leach, Symmetries, Singularities and Integrability in Complex Dynamics II: Rescalings and Time-Translations in 2D Systems, J. Math. Anal. Appl., Vol = 251, pp. = 0, , 587-608, 2000, |
| | |
| 1997 |
| Georgios Flessas, P. Leach, K. Govinder, Characterization of the algebraic properties of first integrals of scalar ordinary differential equations of maximal symmetry, Journal of Mathematical Analysis and Applications, Vol = 212, pp. = 0, , 349-374, 1997, |
| | |
English