@article{10_14708_cm_v17i1_5745, author = {R. Alter and T. B. Curtz}, title = {On binary non-associative products and their relation to a classical problem of {Euler}}, journal = {Commentationes Mathematicae}, pages = { 1--8}, year = {1973}, volume = {17}, number = {1}, doi = {10.14708/cm.v17i1.5745}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v17i1.5745/} }