@article{MASLO_1968_18_4_a10,
     author = {Havel, Ivan},
     title = {Recenzie},
     journal = {Mathematica slovaca},
     pages = {346--347},
     year = {1968},
     volume = {18},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1968_18_4_a10/}
}