@article{MASLO_1969_19_2_a13,
     author = {Ducho\v{n}, Miloslav},
     title = {Recenzie},
     journal = {Mathematica slovaca},
     pages = {166--167},
     year = {1969},
     volume = {19},
     number = {2},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1969_19_2_a13/}
}