%0 Journal Article %A Jr., C. R. Atherton %T On the Lattice of Primitive Convergence Structures %J Canadian journal of mathematics %D 1971 %P 392-397 %V 23 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-040-0/ %R 10.4153/CJM-1971-040-0 %F 10_4153_CJM_1971_040_0