@article{05309259, title = {The fundamental }, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {4}, year = {2008}, doi = {10.3842/SIGMA.2008.033}, zbl = {1230.30025}, language = {en}, url = {http://dml.mathdoc.fr/item/05309259} }
Ashton, Anthony C.L. The fundamental . SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 4 (2008) . doi : 10.3842/SIGMA.2008.033. http://gdmltest.u-ga.fr/item/05309259/