A note on the Daniell integral
Rendiconti del Seminario Matematico della Università di Padova, Volume 29 (1959), p. 401-410
@article{RSMUP_1959__29__401_0,
     author = {Richards, Ian},
     title = {A note on the Daniell integral},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {29},
     year = {1959},
     pages = {401-410},
     zbl = {0095.26602},
     mrnumber = {111816},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1959__29__401_0}
}
Richards, Ian. A note on the Daniell integral. Rendiconti del Seminario Matematico della Università di Padova, Volume 29 (1959) pp. 401-410. http://www.numdam.org/item/RSMUP_1959__29__401_0/

1) Lynn H., Loomis An Introduction to Abstract Harmonic Analysis, New York, D. Van Nostrand Co. Inc. (1953), Chapter III. | MR 54173 | Zbl 0052.11701

2) Frigyes Riesz and Bela Sz.-Nagy, Functional Analysis, (translated from Lecons D'Analyse Fonctionelle), New York, Frederick Ungar Publishing Co. (1955), Chapters II and III. | MR 71727