publication venue for
- On the classification of subalgebras of the Poincare algebra AP(2,n). 8:17-20. 1998
- Symmetry reduction on subalgebras of the Poincare´ algebra of a nonlinear system of differential equations of a vector field. 8:50-57. 1997
- On symmetry reduction and exact solutions of the linear one-dimensional Schrodinger equation. 9:32-38. 1996
- Symmetry reduction as a method for generating solutions of systems of linear differential equations. 12:44-49. 1996