Three Orthogonal Latin Squares

作     者：W.D.Wallis(Department of Mathematics Statistics and Computer Science University of Newcastle)(N.S.W.2038 Australia) 

出 版 物：《数学进展》 (Advances in Mathematics(CHINA))

年 卷 期：1986年第3期

页      面：269-281页

主　　题：La Three Orthogonal Latin Squares 

摘      要：A Latin square of order n is an n×n array based on some set of n sym-bols, such that every rom and every column contains every symbol exactly *** other words,every row and every column is a permutation of *** the ari-thmetical properties of the symbols are not used,the nature of the elements ofS is immaterial;unless otherwise specified,we take them to be,1,2,…,n.