%0 Journal Article %A Schmidt, Jürgen %T Direct Sums of Partial Algebras and Final Algebraic Structures %J Canadian journal of mathematics %D 1968 %P 872-887 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-084-9/ %R 10.4153/CJM-1968-084-9 %F 10_4153_CJM_1968_084_9