Sommaire du Fascicule no. 1

Physikalische Untersuchung des Kometen Arend-Roland 1957 III
p. 1-22
Life-time of $C_2$ and CN molecules and solid grains in cometary atmospheres
p. 23-40
Solid particles in reflection nebulae II. Dielectric model of the nebula NGC 7023
p. 41
Obsah

Sommaire du Fascicule no. 2

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