TY - JOUR AU - W.D. Wallis TI - On the Existence of Room Squares. (Short Communications). JO - Aequationes mathematicae PY - 1972 SP - 315 EP - 316 VL - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1972__8_136313/ ID - AM2_1972__8_136313 ER -