@article{ARM_1992_28_1-2_a3,
     author = {Vetch\'y, Vladim{\'\i}r},
     title = {Metrically regular square of metrically regular bigraphs. {II}},
     journal = {Archivum mathematicum},
     pages = {17--24},
     year = {1992},
     volume = {28},
     number = {1-2},
     mrnumber = {1201862},
     zbl = {0778.05058},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1992_28_1-2_a3/}
}