@article{BUMI_2001_8_4B_3_a1,
     author = {Leonetti, F. and Mascolo, E. and Siepe, F.},
     title = {Gradient regularity for minimizers of functionals under $p$-$q$ subquadratic growth},
     journal = {Bollettino della Unione matematica italiana},
     pages = {571--586},
     publisher = {mathdoc},
     volume = {Ser. 8, 4B},
     number = {3},
     year = {2001},
     zbl = {1177.49057},
     mrnumber = {450957},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2001_8_4B_3_a1/}
}