@article{PDM_2021_2_a2,
     author = {R. Kiss and G. P. Nagy},
     title = {On the nonexistence of certain orthogonal arrays of strength four},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {65--68},
     publisher = {mathdoc},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PDM_2021_2_a2/}
}