Issue 1,
Volume 22,
1981 (Acta Universitatis Carolinae. Mathematica et Physica )
| [1] | Contents. |
| 3-6 | Cyclicity in a special class of hypergroups. Vougiouklis, T. |
| 7-10 | The set of hypergroups with operators which are constructed from a set with two elements. Vougiouklis, T. |
| 11-16 | Remarks on tolerance algebras. Drbohlav, K. |
| 17-24 | On a class of subdirectly irreducible groupoids. Kepka, Tomáš |
| 25-28 | A note on subdirectly irreducible groupoids. Kepka, Tomáš |
| 29-49 | On a class of groupoids. Kepka, Tomáš |
| 51-61 | Motion of cometary particle with variable mass under central fields of forces. Žáček, P.; Vanýsek, V. |
| 63-75 | Radiation transfer in circumstellar dust envelopes with spherical symmetry - Henyey's method of solution. Šolc, M. |
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