@article{10_4064_ap_29_3_307_308,
     author = {Tiberiu Popoviciu},
     title = {\`A propos d'un lemme de {Tadeusz} {Wa\.zewski}},
     journal = {Annales Polonici Mathematici},
     pages = {307--308},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {1974},
     doi = {10.4064/ap-29-3-307-308},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-29-3-307-308/}
}