@article{ARM_1993_29_1-2_a5,
     author = {Vetch\'y, Vladim{\'\i}r},
     title = {Metrically regular square of metrically regular bipartite graphs of diameter $D=6$},
     journal = {Archivum mathematicum},
     pages = {29--38},
     year = {1993},
     volume = {29},
     number = {1-2},
     mrnumber = {1242626},
     zbl = {0797.05060},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1993_29_1-2_a5/}
}