@article{10_14708_ma_v38i1_261, author = {Ryszard B. Hetnarski}, title = {Do {Redaktora:}}, journal = {Mathematica Applicanda}, publisher = {mathdoc}, volume = {38}, number = {1}, year = {2010}, doi = {10.14708/ma.v38i1.261}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v38i1.261/} }