2016/05/19 by Klazar, Martin
#05A15 #Combinatorics (math.CO) #FOS: Mathematics
paper · doi:10.48550/arxiv.1605.06087
This is an exposition, for pedagogical purposes, of the formal power series proof of Bostan, Christol and Dumas [3] of the result stated in the title (a corollary of the Christol theorem).