%0 Journal Article %A Saugata Bandyopadhyay %A Bernard Dacorogna %A Swarnendu Sil %T Calculus of variations with differential forms %J Journal of the European Mathematical Society %D 2015 %P 1009-1039 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/525/ %R 10.4171/jems/525 %F JEMS_2015_17_4_a10