Melham, R.S. (2002) Reduction Formulas for Summation of Reciprocals in Certain Second-Order Recurring Sequences, The Fibonacci Quarterly, 40(1), 71–75.
Melham, R.S. (2002) Reduction Formulas for the Summation of Reciprocals in Certain Second-Order Recurring Sequences, The Fibonacci Quarterly, 40(1), 71–75.