| [1] | Contents. |
| 3-17 | Parameter estimation in cosine regression. Dupač, V. |
| 19-39 | Effects of the axial component of the space charge electric field in the omegatron. Urgošík, B. |
| 41-60 | Medial division groupoids. Kepka, Tomáš |
| 61-71 | Quasigroups whose regular mappings are automorphisms. Kepka, Tomáš; Němec, P. |
| 73-82 | Observations of comets and asteroids at the Kleť Observatory in the year 1977. Mrkos, A. |