Demetriou IC. Piecewise monotonic methods for data smoothing. Reseach Essay. Cambridge, U.K. : Department of Applied Mathematics and Theoretical Physics, Univesrity of Cambridge; 1983 pp. 70.
National and Kapodistrian University of Athens Department of Economics (+30) 210-3689470 Gryparion Hall 1 Sofokleous and Aristidou Street Athens, 10559, Greece demetri@econ.uoa.gr
