%0 Journal Article %A A. V. Demyanov %T Lower semicontinuity of some functionals under the PDE constraints: $\mathcal{A}$-quasiconvex pair %J Zapiski Nauchnykh Seminarov POMI %D 2004 %P 100-119 %V 318 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2004_318_a5/ %G en %F ZNSL_2004_318_a5