@article{MASLO_1975__25_3_a3,
     author = {Zelinka, Bohdan},
     title = {Involutory {Pairs} of {Vertices} in {Transitive} {Graphs}},
     journal = {Mathematica slovaca},
     pages = {221--222},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1975},
     mrnumber = {0412016},
     zbl = {0306.05108},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1975__25_3_a3/}
}