@article{JRAM_1979__306_152103,
     author = {Bruce L.R. Shawyer},
     title = {On the {strong-Riesz} mean-value theorem.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {208--211},
     publisher = {mathdoc},
     volume = {306},
     year = {1979},
     zbl = {0397.40004},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__306_152103/}
}