
\null
{\eightpoint
\vskip3mm
\centerline{R\'EF\'ERENCES}
\vskip3mm

{\hangindent=1cm\hangafter=1\noindent{\bf   [B]}\
{\petcap  M. B\^ocher}\pointir
 {\sl Introduction to the theory of Fourier's series},\hfill\break
Annals of Mathematics, 7, 81-152,
{\oldstyle 1906}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [D]}\
{\petcap  P.J. L. Dirichlet}\pointir
 {\sl Sur la convergence des s\'eries trigonom\'etriques qui servent
\`a repr\'esenter une fonction arbitraire entre deux limites donn\'ees},\hfill\break
Journal f\H ur die reine und angewandte Mathematik (Journal de Crelle), 4, 157-169,
{\oldstyle 1829}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [F]}\
{\petcap  J. Fourier}\pointir
 {\sl Th\'eorie analytique de la chaleur},
Firmin Didot, p\`ere et fils,
{\oldstyle 1822}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [H R]}\
{\petcap  G.H. Hardy, W.W. Rogosinski}\pointir
 {\sl Fourier series},
Cambridge tracts in mathematics and mathematical physics 38,
Cambridge University Press
{\oldstyle 1956}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [H]}\
{\petcap  A. Hurwitz}\pointir
 {\sl \"Uber die Fourierschen Konstanten integriebarer Funktionen},\hfill\break
Mathematische Annalen, 57, 425-446
{\oldstyle 1903}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [J1]}\
{\petcap  C. Jordan}\pointir
 {\sl Sur la s\'erie de Fourier},\hfill\break
Comptes rendus de l'Acad\'emie des sciences, Paris, 92, 228-230,
{\oldstyle 1881}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [J2]}\
{\petcap  C. Jordan}\pointir
 {\sl Cours d'analyse de l'\'ecole polytechnique t. I, II, III},\hfill\break
Paris, Gauthier-Villars,
{\oldstyle 1882}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [K L-R]}\
{\petcap  J.-P. Kahane, P.-G. Lemari\'e-Rieusset}\pointir
 {\sl S\'eries de Fourier et ondelettes},\hfill\break
Paris, Cassini,
{\oldstyle 1998}.
\par} 

{\hangindent=1cm\hangafter=1\noindent{\bf   [K]}\
{\petcap  A. Kneser}\pointir
 {\sl Untersuchungen \H uber die Darstellung willk\H urlicher Funktionen
in der mathematischen Physik},
Mathematische Annalen, 58, 81-147,
{\oldstyle 1904}.
\par}

{\hangindent=1cm\hangafter=1\noindent{\bf   [La]}\
{\petcap  E. Landau}\pointir
 {\sl Einf\H uhrung in die Differentialrechnung und  Integralrechnung},\hfill\break
Groningen, P. Nordhooff,
{\oldstyle 1934}.
\par} 

{\hangindent=1cm\hangafter=1\noindent{\bf   [Le]}\
{\petcap  H. Lebesgue}\pointir
 {\sl Le\c cons sur les s\'eries trigonom\'etriques},\hfill\break
Paris, Gauthier-Villars,
{\oldstyle 1906}.
\par} 

 {\hangindent=1cm\hangafter=1\noindent{\bf   [R, Sz-N]}\
{\petcap  F. Riesz, B. Sz-Nagy}\pointir
 {\sl Le\c cons d'analyse fonctionnelle},\hfill\break
Paris, Gauthier-Villars; Budapest, Akad\'emiai Kiado,
{\oldstyle 1968}.
\par}
 

{\hangindent=1cm\hangafter=1\noindent{\bf   [Ru]}\
{\petcap  W. Rudin}\pointir
 {\sl Real and complex analysis.} $2^{nd}$ edition,
McGraw-Hill,
{\oldstyle 1974}.
\par} 

{\hangindent=1cm\hangafter=1\noindent{\bf   [VP]}\
{\petcap  C. {\rm de la\/} Vall\'ee Poussin}\pointir
 {\sl Sur quelques applications de l'int\'egrale de Poisson},
Annales de la soci\'et\'e scientifique de Bruxelles 17 B, 18-34,
{\oldstyle 1893}.
\par} 

{\hangindent=1cm\hangafter=1\noindent{\bf   [Z]}\
{\petcap  A. Zygmund}\pointir
 {\sl Trigonometric series} $2^{nd}$ edition,\hfill\break
Cambridge University Press,
{\oldstyle 1959}\quad [$1^{\hbox{\sevenrm i\`ere}}$ \'edition,
Varsovie, {\oldstyle 1935}].
\par} 
}