1 - Harmonic analysis on semigroups : theory of positive definite and related functionsBerg, Christian (1944-....) / Christensen, Jens Peter Reus / Ressel, PaulCote : [41 BER 84]
2 - Topology and Borel structure : descriptive topology and set theory with applications to functional analysis and measure theoryChristensen, Jens Peter ReusCote : [50 CHR 74]
