[4016] Existence and Multiplicity of Nontrivial Solutions for Biharmonic Equations with Singular Weight Functions

[4017] Über$p$-Gruppen von maximaler Klasse

[4018] On approximation by translates and related problems in function theory

[4019] On Besov, Hardy and Triebel spaces for 0<$p$≦1

[4020] On the postulation of canonical curves in$P$^{3}