<s>
Under	O
certain	O
conditions	O
we	O
can	O
reconstitute	O
the	O
density	O
function	O
starting	O
from	O
its	O
Stieltjes	B-Algorithm
transformation	I-Algorithm
thanks	O
to	O
the	O
inverse	O
formula	O
of	O
Stieltjes-Perron	O
.	O
</s>
<s>
Since	O
these	O
two	O
sequences	O
of	O
polynomials	O
satisfy	O
the	O
same	O
recurrence	O
relation	O
in	O
three	O
terms	O
,	O
we	O
can	O
develop	O
a	O
continued	O
fraction	O
for	O
the	O
Stieltjes	B-Algorithm
transformation	I-Algorithm
whose	O
successive	O
convergents	O
are	O
the	O
fractions	O
.	O
</s>
<s>
The	O
Stieltjes	B-Algorithm
transformation	I-Algorithm
can	O
also	O
be	O
used	O
to	O
construct	O
from	O
the	O
density	O
an	O
effective	O
measure	O
for	O
transforming	O
the	O
secondary	O
polynomials	O
into	O
an	O
orthogonal	O
system	O
.	O
</s>
