@article{10_4064_cm_60_61_1_315_320,
     author = {Louis Pigno and Sadahiro Saeki},
     title = {On the theorem of {F.} and {M.} {Riesz}},
     journal = {Colloquium Mathematicum},
     pages = {315--320},
     year = {1990},
     volume = {60},
     number = {1},
     doi = {10.4064/cm-60-61-1-315-320},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-60-61-1-315-320/}
}