TY - JOUR AU - Jr., C. R. Atherton TI - On the Lattice of Primitive Convergence Structures JO - Canadian journal of mathematics PY - 1971 SP - 392 EP - 397 VL - 23 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-040-0/ DO - 10.4153/CJM-1971-040-0 ID - 10_4153_CJM_1971_040_0 ER -