@article{10_14708_wm_v29i01_4427, author = {J. Musielak}, title = {Miscellanea}, journal = {Wiadomo\'sci Matematyczne}, pages = { 83--84}, publisher = {mathdoc}, volume = {29}, number = {01}, year = {1990}, doi = {10.14708/wm.v29i01.4427}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v29i01.4427/} }