@article{05241609, title = {Lagrangian approach to dispersionless KdV hierarchy.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {3}, year = {2007}, zbl = {1130.37394}, language = {en}, url = {http://dml.mathdoc.fr/item/05241609} }
Choudhuri, Amitava; Talukdar, B.; Das, U. Lagrangian approach to dispersionless KdV hierarchy.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 3 (2007) . http://gdmltest.u-ga.fr/item/05241609/