@article{JCA_1995_2_1-2_a23,
     author = {T. Zolezzi},
     title = {Wellposed {Problems} of the {Calculus} of {Variations} for {Nonconvex} {Integrals}},
     journal = {Journal of convex analysis},
     pages = {375--384},
     publisher = {mathdoc},
     volume = {2},
     number = {1-2},
     year = {1995},
     url = {http://geodesic.mathdoc.fr/item/JCA_1995_2_1-2_a23/}
}