@misc{10_21136_MB_1992_126233,
     title = {Zpr\'avy},
     journal = {Mathematica Bohemica},
     pages = {111},
     year = {1992},
     volume = {117},
     number = {1},
     doi = {10.21136/MB.1992.126233},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126233/}
}