content_image/309966.jpg content_image/309967.jpg content_image/309968.jpg content_image/309969.jpg content_image/309970.jpg
Applying Stirling’s formula 

we get 

<img src='content_image/309966.jpg'>

<img src='content_image/309967.jpg'>

<img src='content_image/309968.jpg'>

which implies (25). 

Turning to the proof of (26), Proposition 2 and Lemma 3 imply that 

<img src='content_image/309969.jpg'>

Using the definition of q$_{ρ}$ ( z$_{0}$ ) and of z$_{i}$$_{0}$, we get 

<img src='content_image/309970.jpg'>

