</EM>, 1:221-242, 1995.

<P></P><DT><A NAME="coleman85:_algor">6</A>
<DD>
T.&nbsp;F. Coleman, B.&nbsp;S. Garbow, and J.&nbsp;J. Mor'e.
<BR>Algorithm 649: Fortran subroutines for estimating sparse hessian
  matrices.
<BR><EM>ACM Transactions on Mathematical Software</EM>, 11(4):378, December
  1985.

<P></P><DT><A NAME="coleman84:_estim_jacob">7</A>
<DD>
T.&nbsp;F. Coleman and J.&nbsp;J. Mor'e.
<BR>Estimation of sparse jacobian matrices and graph coloring problems.
<BR><EM>SIAM Journal on Numerical Analysis<