1-20 | Form and enlargement of the Earth's shadow during the lunar eclipses of August 26, 1961, July 6, 1963 and June 24-25, 1964. Sekanina, Zdeněk |
21-33 | Finite difference method for the Cauchy problem for linear hyperbolic systems with discontinuous coefficients. Vlček, Jan |
35-61 | Aplikace teorie grafů na výpočet determinantů matic speciálního typu. Bican, Ladislav |
63-68 | Spektrum komety Arend-Roland 1957 III. Bouška, Jiří |
69 | Contents. |