Invariant means on vector valued functions I
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 27 (1973) no. 4, p. 717-727 
@article{ASNSP_1973_3_27_4_717_0,
     author = {Husain, T. and Wong, James C. S.},
     title = {Invariant means on vector valued functions I},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 27},
     number = {4},
     year = {1973},
     pages = {717-727},
     zbl = {0317.43005},
     mrnumber = {410261},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1973_3_27_4_717_0}
}

Husain, T.; Wong, James C. S. Invariant means on vector valued functions I. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 27 (1973) no. 4, pp. 717-727. http://www.numdam.org/item/ASNSP_1973_3_27_4_717_0/

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