@article{ASNSP_1974_4_1_1-2_113_0,
     author = {Marcus, Moshe},
     title = {Exceptional sets with respect to {Lebesgue} differentiation of functions in {Sobolev} spaces},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {113--130},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 1},
     number = {1-2},
     year = {1974},
     mrnumber = {376984},
     zbl = {0328.46031},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1974_4_1_1-2_113_0/}
}