Geodesic

Sommaire du Fascicule no. 1

Le direzioni caratteristiche di una trasformazione puntuale
p. 1-5
Об одном классе неавтономных нелинейных дифференциальных уравнений $n$-го порядка
p. 7-13
Polars in distributive lattices with the smallest element
p. 15-35
Monotonic properties of zeros and extremants of the differential equation $y''+q(t)y=0$
p. 37-74

Sommaire du Fascicule no. 2

On the existence of solutions of certain nonlinear equations occurring in the transformation theory of a linear second order differential equation with complex valued coefficients
p. 75-78
Induced algebras
p. 79-87
On the existence of graphs with a certain ordering of vertices
p. 89-113
Simultaneous nondeterministic games. II
p. 115-144

Sommaire du Fascicule no. 3

Sur les surfaces minima projectives
p. 145-147
Sur la suite de Laplace de l'espace à cinq dimensions associée à une surface
p. 149-154
On a class of languages
p. 155-170
On the role of configurations in the theory of grammars
p. 171-184
Note on Kummer's transformation
p. 185-188
A note on differential equations with periodic solutions
p. 189-192

Sommaire du Fascicule no. 4

Zahlentheoretische Funktionen für die Zerteilung der Nummer $n$ in $k$ Summanden; $k=2,3,4,5,6$
p. 193-202
Über einige Zerlegungen in einer Kategorie
p. 203-211
Normalgruppoide einer Kategorie
p. 213-220
Double lexicographic products
p. 221-228
The refinement of two isomorphic generalized lexicographic products
p. 229-235
On the behaviour of the solutions and their first $(n-1)$ derivatives of the $n$-th order differential equations with periodic coefficients
p. 237-249
Une correspondance par parallélisme partiel entre deux variétés réglées de l'espace $S_5$
p. 251-255