@article{02210710, title = {A system of }, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {1}, year = {2005}, zbl = {1093.37024}, language = {en}, url = {http://dml.mathdoc.fr/item/02210710} }
Rañada, Manuel F. A system of . SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 1 (2005) . http://gdmltest.u-ga.fr/item/02210710/