@article{EJDE_2003__2003__a7,
     author = {Khellaf,  Hassane},
     title = {On integral inequalities for functions of several independent variables},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1040.26008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a7/}
}