@article{PMFA_1975_20_2_a2,
     author = {Vogel, Wolfgang},
     title = {Klasick\'y probl\'em te\'orie kriviek},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {77--83},
     year = {1975},
     volume = {20},
     number = {2},
     mrnumber = {0485899},
     zbl = {0313.14010},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1975_20_2_a2/}
}