Sommaire du Fascicule no. 1

Contents
Diffraction of neutrons by lattices of single crystals deformed statically or dynamically or by both ways
p. 3-44
Mirror symmetry of absorption and fluorescence spectra of chlorophyll $\alpha$ solutions measured at room temperature
p. 45-50
Difference absoption spectrum of chlorophyll $\alpha$ in polar and non-polar solvents
p. 51-54
The deuteron and triton optical potentials for the ${}^{142}Dy(d,p)$ and ${}^{142}Dy(d,t)$ reactions at $E_d=12$
p. 55-64
Fredholm points of compactly pertubed bounded linear operators
p. 65-72
Zur geometrischen Bedeutung der Gruppen der automorphen Kollineationen einer harmonischen und äquianharmonischen kubischen Kurve
p. 73-80

Sommaire du Fascicule no. 2

Contents
The structure of primary modules
p. 3-12
Free commutative idempotent abelian groupoids and quasigroups
p. 13-19
Observations of coments and asteroids at the Kleť Observatory in the year 1974
p. 21-28
Методика и некоторые результаты теоретических и экспериментальных исследований по распространению сейсмических объемных волн в Чехословакии
p. 29
The character of seismic activity in Europe
p. 49-74
Remarks on tensor products and their applications in quantum theory I. General considerations
p. 75-98