@article{AM2_1995__49_1-2_182477,
     author = {Wing-Sum Cheung},
     title = {On integral inequalities of the {Sobolev} type.},
     journal = {Aequationes mathematicae},
     pages = {153--159},
     year = {1995},
     volume = {49},
     number = {1-2},
     zbl = {0826.26007},
     url = {http://geodesic.mathdoc.fr/item/AM2_1995__49_1-2_182477/}
}