@article{10_14708_cm_v18i1_5804, author = {I. Labuda}, title = {Denumerability conditions and {Orlicz-Pettis} type theorems}, journal = {Commentationes Mathematicae}, pages = { 45--49}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1974}, doi = {10.14708/cm.v18i1.5804}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v18i1.5804/} }