tml">
      GRAFPACK</a>,
      a FORTRAN90 library which
      carries out operations on abstract graphs.
    </p>

    <p>
      <a href = "../../f_src/laupack/laupack.html">
      LAUPACK</a>,
      a FORTRAN90 library which
      carries out various operations on graphs.
    </p>

    <h3 align = "center">
      Reference:
    </h3>

    <p>
      <ol>
        <li>
          Edsger Dijkstra,<br>
          A note on two problems in connexion with graphs,<br>
          Numerische Mathematik,<br>
         