@article{10_14708_wm_v28i01_4394, author = {A. Schinzel}, title = {50 tom\'ow {Acta} {Arithmetica}}, journal = {Wiadomo\'sci Matematyczne}, pages = { 81--83}, publisher = {mathdoc}, volume = {28}, number = {01}, year = {1988}, doi = {10.14708/wm.v28i01.4394}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v28i01.4394/} }