@article{PMFA_1972__17_6_a1,
     author = {McShane, E. J.},
     title = {Udr\v{z}ovat vz\'ajemn\'y styk},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {299--306},
     publisher = {mathdoc},
     volume = {17},
     number = {6},
     year = {1972},
     mrnumber = {0086012},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1972__17_6_a1/}
}