@article{10_4064_fm_53_1_13_19,
     author = {J. Popru\.zenko},
     title = {Sur une propri\'et\'e des ensembles partiellement ordonn\'es},
     journal = {Fundamenta Mathematicae},
     pages = {13--19},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {1964},
     doi = {10.4064/fm-53-1-13-19},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-53-1-13-19/}
}