@article{MS2_1970__27_166145,
     author = {J.D. Stegeman},
     title = {On a {Theorem} of {N.Th.} {Varopoulos.}},
     journal = {Mathematica Scandinavica},
     pages = {50--52},
     publisher = {mathdoc},
     volume = {27},
     year = {1970},
     zbl = {0205.42003},
     url = {http://geodesic.mathdoc.fr/item/MS2_1970__27_166145/}
}