/EM>, 20:187-209,, 1984.

<P></P><DT><A NAME="clr90">8</A>
<DD>
T.&nbsp;Cormen, C.&nbsp;Leiserson, and R.&nbsp;Rivest.
<BR><EM>Introduction to Algorithms</EM>.
<BR>McGraw-Hill, 1990.

<P></P><DT><A NAME="curtis74:_jacob">9</A>
<DD>
A.&nbsp;Curtis, M.&nbsp;Powell, and J.&nbsp;Reid.
<BR>On the estimation of sparse jacobian matrices.
<BR><EM>Journal of the Institute of Mathematics and its Applications</EM>,
  13:117-119, 1974.

<P></P><DT><A NAME="dijkstra59">10</A>
<DD>
E.&nbsp;Dijkstra.
<BR>A note on two pro