Volume 66, No. 2 (2009)
Portugaliae Mathematica
pp. 131–145 There is no odd perfect polynomial over with four prime factorsLuis H. GallardoOlivier Rahavandrainy
pp. 147–158 A note on common range of a class of co-analytic Toeplitz operatorsRomeo MeštrovićŽarko Pavićević
pp. 159–174 Examples of optimal solutions of infinite horizon variational problems arising in continuum mechanicsAlexander J. Zaslavski
pp. 175–190 Holomorphic extension theorem for tempered ultrahyperfunctionsDaniel H. T. Franco
pp. 191–210 Exponential stabilization of periodic solutions of a system of KdV equationsEleni BisogninVanilde BisogninJardel Morais Pereira
pp. 211–223 A note on the global regularity of steady flows of generalized Newtonian fluidsFrancesca Crispo
pp. 225–259 Nonlinear stability properties of periodic travelling wave solutions of the classical Korteweg–de Vries and Boussinesq equationsLynnyngs Kelly Arruda