%0 Journal Article %A Grätzer, G. %A Sichler, J. %T Free Decompositions of a Lattice %J Canadian journal of mathematics %D 1975 %P 276-285 %V 27 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-034-5/ %R 10.4153/CJM-1975-034-5 %F 10_4153_CJM_1975_034_5