JournalspmVol. 64, No. 1Volume 64, No. 1 (2007) Portugaliae Mathematicapp. 3–10Notes on periodic solutions of discrete steady state systemsGen-Qiang WangSui Sun Chengpp. 11–19Spectra in Banach and locally convex algebrasA. K. Gaurpp. 21–38Perfect polynomials over F4 with less than five prime factorsLuis H. GallardoOlivier Rahavandrainypp. 39–65Local energy decay for the nonlinear dissipative wave equation in an exterior domainMoez Daoulatlipp. 67–74Totally umbilical semi-invariant submanifolds of a nearly trans-Sasakian manifoldV. A. KhanM. A. KhanS. Uddinpp. 75–85Positive integers divisible by the product of their nonzero digitsFlorian LucaJean-Marie De Koninckpp. 87–126On the Cauchy problem for a one-dimensional compressible viscous polytropic ideal gasYuming QinYumei WuFagui Liu
pp. 21–38Perfect polynomials over F4 with less than five prime factorsLuis H. GallardoOlivier Rahavandrainy
pp. 39–65Local energy decay for the nonlinear dissipative wave equation in an exterior domainMoez Daoulatli
pp. 67–74Totally umbilical semi-invariant submanifolds of a nearly trans-Sasakian manifoldV. A. KhanM. A. KhanS. Uddin
pp. 75–85Positive integers divisible by the product of their nonzero digitsFlorian LucaJean-Marie De Koninck
pp. 87–126On the Cauchy problem for a one-dimensional compressible viscous polytropic ideal gasYuming QinYumei WuFagui Liu