P. Flajolet, Bruno Salvy, Stefan Gerhold,
"On the non-holonomic character of logarithms, powers and the nth prime function"
, in The Electronic Journal of Combinatorics, Vol. 11, Nummer 2, Seite(n) 1-16, 2005, ISSN: 1077-8926
Original Titel:
On the non-holonomic character of logarithms, powers and the nth prime function