@article{10_4064_cm_24_2_139_145,
     author = {W. Wi\k{e}s{\l}aw},
     title = {On some characterizations of the complex number field},
     journal = {Colloquium Mathematicum},
     pages = {139--145},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1971},
     doi = {10.4064/cm-24-2-139-145},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-24-2-139-145/}
}