970 PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARIA - 28
as 0

In addition, three charts IX, X and XI are presented showing

 the functions § (8), ¢ (68) and 1e ® (8) dO in the three cases.
The expressions for these functions are the following (1).

Mode!

Functions

>(0)

(0)

[52 o(6) db

1
Exponential

MWy=0

1 _ 8
0° ©

I .8
ne ©

9
a

il
Mixed

III
Para-exponential

m=1/2

W=1

46
8 2 eu
(+25 a

6
4 —
Se

(A + B6) +6

Sk
mê

A+ 2 pol” 14,20].

with

a

A ss
90, (T-%7T,)

(539-11)

B___ ©
27 0 (1-4 Y)

C= L[r 30,4
ra

YY Relations (251-2) for k=1, (251-3), (539-5), (539-6), (521-4) and
521-6).

1] Allais - pag. 274