Kurt Hornik, Bettina Grün,
"On Maximum Likelihood Estimation of the Concentration Parameter of von Mises-Fisher Distributions"
, in Computational Statistics, Vol. 29, Nummer 5, Seite(n) 945-957, 2014, ISSN: 1613-9658
Original Titel:
On Maximum Likelihood Estimation of the Concentration Parameter of von Mises-Fisher Distributions