%0 Journal Article %A Crampin, M. %A Saunders, D. J. %T Some concepts of regularity for parametric multiple-integral problems in the calculus of variations %J Czechoslovak Mathematical Journal %D 2009 %P 741-758 %V 59 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2009__59_3_a13/ %G en %F CMJ_2009__59_3_a13