312 PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARIA - 28 
In any case, we have according to (512-8) and (512-10) 
(513-2) 
r<o 
Order of Magnitude of A 
1) Case wm which the w,_, decline sufficiently quickly 
514. In the first place, it can easily be seen that if the w,_, 
decline sufficiently rapidly, A will have a value not verv dif- 
ferent from unity. 
a) Decrease of the w,_; as 1/n9 (q=>4) 
Assume first that the w, , decline as with 1/#9 so that for 
example 
‘514-I) 
u A 
n-1=-—7 
n 4 
From (512-14) we will have 
(514-2) 
pe Tat? 
2a | DI. 1 
TL TEL 
with 
(514-3) 
A2! 
nd =1 
11] Allais - pag. 216