@article{ASNSP_1964_3_18_1_57_0,
     author = {Gray, H. L.},
     title = {Application of the {Holmgren-Riesz} transform},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {57--65},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 18},
     number = {1},
     year = {1964},
     mrnumber = {166429},
     zbl = {0151.11002},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1964_3_18_1_57_0/}
}