equation icon  integral -1-- 5 V~ --(5)-[(5) ((5) 2 (5) (5) AB (5) (5) ABCD)] S = 2k2 d x - g R - 2/\5 + a R - 4 RAB R + RABCD R integral 5 [ ] + d4x V~ --g - c + K--+ L , (387) brane k25 matter