**Kovács, S., Kovács, Zs. K., Szabó K. M.:** Bifurcations in a System Modelling Hantavirus Epidemics I: Transcritical Bifurcation 3–11

**Mező, I.:** About the Non-Integer Property of Hyperharmonic Numbers 13–20

**Renukadevi, V.:** On subsets defined in terms of weak envelopes and envelopes 21–39

**Noiri, T., Popa, V.:** A general decomposition of continuity 41–50

**Hegyvári, N., Hennecart, F.:** Iterated difference sets in sigma-finite groups 51–57

**Noiri, T., Popa, V.:** A generalization of nearly continuous multifunctions 59–74

**Pap, Gy.:** A constructive approach to matching and its generalizations (Ph. D. Thesis) 75–83

**Conferences at ELTE** 85–109