https://www.math.upenn.edu/~wilf/AeqB.pdf

https://www.math.upenn.edu/~wilf/AlgoComp.pdf

https://www.math.upenn.edu/~wilf/gfology2.pdf

https://www.math.upenn.edu/~wilf/DeturckWilf.pdf

https://www.math.upenn.edu/~wilf/website/GreeneWilfFibonacciSums.pdf

https://www.math.upenn.edu/~wilf/website/cfsummation.pdf

https://www.math.upenn.edu/~wilf/Remembrances/memserv.pdf

https://www.math.upenn.edu/~wilf/AlgoComp.pdf

https://www.math.upenn.edu/~wilf/gfology2.pdf

https://www.math.upenn.edu/~wilf/DeturckWilf.pdf

https://www.math.upenn.edu/~wilf/website/GreeneWilfFibonacciSums.pdf

https://www.math.upenn.edu/~wilf/website/cfsummation.pdf

https://www.math.upenn.edu/~wilf/Remembrances/memserv.pdf