@article{RSMUP_1978__60__1_0,
     author = {Anzellotti, G. and Giaquinta, M.},
     title = {Funzioni $BV$ e tracce},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {1--21},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {60},
     year = {1978},
     mrnumber = {555952},
     zbl = {0432.46031},
     language = {it},
     url = {http://archive.numdam.org/item/RSMUP_1978__60__1_0/}
}