@article{MASLO_1981__31_1_a5,
     author = {Gedeonov\'a, Eva},
     title = {The orientability of the direct product of graphs},
     journal = {Mathematica slovaca},
     pages = {71--78},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1981},
     mrnumber = {619508},
     zbl = {0469.05059},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1981__31_1_a5/}
}