@article{10_4064_cm_9_2_199_207,
     author = {Edward Marczewski and K. Urbanik},
     title = {Abstract algebras in which all elements are independent},
     journal = {Colloquium Mathematicum},
     pages = {199--207},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1962},
     doi = {10.4064/cm-9-2-199-207},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-9-2-199-207/}
}