Equation Icon  -----γνn------ -γ-νn- αnγνn+1- αn+1γνn+2- Rn = − βν + ανRn+1 = − β ν− ⋅ βν − ⋅ βν − ⋅ ..., (127 ) n nν nν n+1 ν n+2ν Ln = − ----α-n------= − -αn--⋅ αn-−1γn ⋅ αn-−2γn−1 ⋅ .... (128 ) βνn + γνnLn −1 βνn− βνn−1− βνn−2−