<s>
Truncated	B-Algorithm
power	I-Algorithm
functions	I-Algorithm
can	O
be	O
used	O
for	O
construction	O
of	O
B-splines	B-Algorithm
.	O
</s>
<s>
Truncated	B-Algorithm
power	I-Algorithm
functions	I-Algorithm
are	O
refinable	O
.	O
</s>
