JournalspmVol. 66, No. 1Volume 66, No. 1 (2009) Portugaliae Mathematicapp. 1–12Existence and uniqueness of periodic solutions for a delay differential equation with piecewise constant argumentsHaihua LiangGen-Qiang Wangpp. 13–27Existence of solutions for a third-order boundary value problem with $p$-Laplacian operator and nonlinear boundary conditionsDe-Xiang MaShu-Zhen Sunpp. 29–63Existence of a renormalized solution for a class of nonlinear parabolic equations in Orlicz spacesElhoussine AzroulHicham RedwaneMohamed Rhoudafpp. 65–70A class of integral domains whose integral closures are small submodules of the quotient fieldDavid E. Dobbspp. 71–80Stability criteria for certain third order nonlinear delay differential equationsCemil Tunçpp. 81–94The counting hierarchy in binary notationGilda Ferreirapp. 95–105Multilinear functionals of Schatten class type and approximation numbersCristiane de Andrade Mendespp. 107–114An existence theorem for a perturbed singular elliptic problemGiovanni Anellopp. 115–130On simple Filippov superalgebras of type $B(0, n)$, IIAlexander P. PojidaevPaulo Saraiva

pp. 1–12Existence and uniqueness of periodic solutions for a delay differential equation with piecewise constant argumentsHaihua LiangGen-Qiang Wang

pp. 13–27Existence of solutions for a third-order boundary value problem with $p$-Laplacian operator and nonlinear boundary conditionsDe-Xiang MaShu-Zhen Sun

pp. 29–63Existence of a renormalized solution for a class of nonlinear parabolic equations in Orlicz spacesElhoussine AzroulHicham RedwaneMohamed Rhoudaf

pp. 65–70A class of integral domains whose integral closures are small submodules of the quotient fieldDavid E. Dobbs

pp. 95–105Multilinear functionals of Schatten class type and approximation numbersCristiane de Andrade Mendes