@article{10_14708_wm_v27i01_4142, author = {Redaktor}, title = {Kr\'otkie informacje}, journal = {Wiadomo\'sci Matematyczne}, pages = { 154--160}, publisher = {mathdoc}, volume = {27}, number = {01}, year = {1986}, doi = {10.14708/wm.v27i01.4142}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v27i01.4142/} }