Spartns -- a Common Lisp library for representing sparse matrices and

Spartns is licensed under the terms of the Lisp Lesser GNU
Public License (, known as
the LLGPL.  The LLGPL consists of a preamble (see above URL) and the
LGPL.  Where these conflict, the preamble takes precedence. 
Spartns is referenced in the preamble as the "LIBRARY."