@article{MASLO_1967__17_2_a7,
     author = {Zelinka, Bohdan},
     title = {A {Contribution} to my {Article:} {'Introducing} an {Orientation} into a {Given} {Non-Directed} {Graph'}},
     journal = {Mathematica slovaca},
     pages = {142--145},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {1967},
     mrnumber = {0228382},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1967__17_2_a7/}
}