\documentclass[a4paper,12pt]{letter}
\usepackage{logoian}
\usepackage{bookman}
%%
\address{  IAN--CNR \\
  via Abbiategrasso 209 \\
  I-27100 Pavia \\
  ITALY}

\signature{Silvia Bertoluzza \\
  Senior Researcher}

\begin{document}
\renewcommand{\today}{Pavia, February 22, 1999}
%%
\begin{letter}
  %% recipient's address
  {Prof.\ G.A. Watson \\
    Editor-In-Chief \\
    The IMA Journal of Numerical Analysis \\
    Department of Mathematics \\
    Dundee DD1 4HN, Scotland \\
    Great Britain
}

  \opening{Dear Prof. Watson}

  %% the body of the letter goes below here

  Please find here enclosed four copies of the paper ``Wavelet Stabilization and Preconditioning for Domain Decomposition'', by A. Kunoth and myself, which we would like to submit for publication on the IMA Journal of Numerical Analysis.
  %% end of letter

  \closing{Best regards,}

  \ps {\vspace{2cm}\small e-mail:\ \ \tt aivlis@dragon.ian.pv.cnr.it}

\end{letter}

\end{document}

