TY - JOUR AU - Chimenti, Frank A. TI - Convergence Formulas for Sequences of Sets JO - Canadian journal of mathematics PY - 1975 SP - 961 EP - 969 VL - 27 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-099-x/ DO - 10.4153/CJM-1975-099-x ID - 10_4153_CJM_1975_099_x ER -