@article{M2AN_1998__32_2_153_0,
     author = {Dacorogna, Bernard and Haeberly, Jean-Pierre},
     title = {Some numerical methods for the study of the convexity notions arising in the calculus of variations},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {153--175},
     publisher = {Elsevier},
     volume = {32},
     number = {2},
     year = {1998},
     mrnumber = {1622606},
     zbl = {0905.65075},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1998__32_2_153_0/}
}