\begin{thebibliography}{1}

\bibitem{1}
{\sc Bohl, E.}
\newblock Discrete versus continuous models for dissipative systems.
\newblock In {\em Numerical methods for bifurcation problems ({D}ortmund,
  1983)}, vol.~70 of {\em Internat. Schriftenreihe Numer. Math.} Birkh\"auser,
  Basel, 1984, pp.~68--78.

\bibitem{dm2}
{\sc Ili\'c, A., Ma\v{s}ulovi\'c, D., and Rajkovi\'c, U.}
\newblock Finite homomorphism-homogeneous tournaments with loops.
\newblock {\em J. Graph Theory 59}, 1 (2008), 45--58.

\bibitem{Mar}
{\sc Marker, D.}
\newblock {\em Model theory}, vol.~217 of {\em Graduate Texts in Mathematics}.
\newblock Springer-Verlag, New York, 2002.
\newblock An introduction.

\bibitem{2}
{\sc Mashreghi, J.}
\newblock {\em Representation theorems in {H}ardy spaces}, vol.~74 of {\em
  London Mathematical Society Student Texts}.
\newblock Cambridge University Press, Cambridge, 2009.

\bibitem{3}
{\sc Vinti, G., and Zampogni, L.}
\newblock Approximation by means of nonlinear {K}antorovich sampling type
  operators in {O}rlicz spaces.
\newblock {\em J. Approx. Theory 161}, 2 (2009), 511--528.

\end{thebibliography}
