@article{JRAM_1958__199_150355,
     author = {Otton Martin Nikodym},
     title = {On extension of a given finitely additive field-valued measure on a finitely additive {Boolean} tribe to another one more ample.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {35--52},
     publisher = {mathdoc},
     volume = {199},
     year = {1958},
     zbl = {0081.27801},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1958__199_150355/}
}