"0"^^ . . "0.375"^^ . . . "08269506-n"^^ . "Latin square"@en-us . . . . "107769749"@en-us . "106140110"@en-us . "Latin square"^^ . . "a square matrix of n rows and columns; cells contain n different symbols so arranged that no symbol occurs more than once in any row or column"@en-us . "108269506"^^ . . .