@article{ASNSP_1969_3_23_2_363_0,
     author = {Fishel, B.},
     title = {An abstract {Lebesgue-Nikodym} theorem},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {363--372},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 23},
     number = {2},
     year = {1969},
     mrnumber = {247023},
     zbl = {0181.14503},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1969_3_23_2_363_0/}
}