@article{ZNSL_2004_318_a5,
     author = {A. V. Demyanov},
     title = {Lower semicontinuity of some functionals under the {PDE} constraints: $\mathcal{A}$-quasiconvex pair},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {100--119},
     publisher = {mathdoc},
     volume = {318},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2004_318_a5/}
}