@article{RSMUP_1999__102__125_0,
     author = {Bertirotti, Silvia and Van der Putten, Roberto},
     title = {Existence of minimizers and lower semicontinuity of integral functionals in the vectorial case},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {125--140},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {102},
     year = {1999},
     mrnumber = {1739536},
     zbl = {0945.49008},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1999__102__125_0/}
}