@article{1104202520, author = {Bernard, Denis}, title = {Hidden Yangians in $2$D massive current algebras}, journal = {Comm. Math. Phys.}, volume = {135}, number = {2}, year = {1991}, pages = { 191-208}, language = {en}, url = {http://dml.mathdoc.fr/item/1104202520} }
Bernard, Denis. Hidden Yangians in $2$D massive current algebras. Comm. Math. Phys., Tome 135 (1991) no. 2, pp. 191-208. http://gdmltest.u-ga.fr/item/1104202520/