@article{GDZPPN002026635,
title = {On the Existence of Room Squares. (Short Communications).},
journal = {Aequationes mathematicae},
volume = {8},
year = {1972},
pages = {315-316},
url = {http://dml.mathdoc.fr/item/GDZPPN002026635}
}
Wallis, W.D. On the Existence of Room Squares. (Short Communications).. Aequationes mathematicae, Tome 8 (1972) pp. 315-316. http://gdmltest.u-ga.fr/item/GDZPPN002026635/