%0 Journal Article %A Amitava Choudhuri %A B. Talukdar %A U. Das %T Lagrangian Approach to Dispersionless KdV Hierarchy %J Symmetry, integrability and geometry: methods and applications %D 2007 %V 3 %U http://geodesic.mathdoc.fr/item/SIGMA_2007_3_a95/ %G en %F SIGMA_2007_3_a95