@article{10_4064_cm_8_2_267_269,
     author = {Roman Sikorski},
     title = {On the definition of multi-valued analytic functions},
     journal = {Colloquium Mathematicum},
     pages = {267--269},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1961},
     doi = {10.4064/cm-8-2-267-269},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-8-2-267-269/}
}