%0 Journal Article %A Leech, John %T Four Integers whose Twelve Quotients Sum to Zero %J Canadian journal of mathematics %D 1986 %P 1261-1280 %V 38 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-064-4/ %R 10.4153/CJM-1986-064-4 %F 10_4153_CJM_1986_064_4