@article{RSMUP_1957__27__193_0,
     author = {Nikod\'ym, Otton Martin},
     title = {Critical remarks on some basic notions in {Boolean} lattices. {II}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {193--217},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {27},
     year = {1957},
     mrnumber = {97333},
     zbl = {0089.01905},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1957__27__193_0/}
}