Near domains as linear pseudo ternaries
Near hexagons and triality.
Neue Fassung einer Verallgemeinerung des Satzes von Napoleon.
New closure conditions and some problems in loop theory.
Nichtkommutative Geometrie und verallgemeinerte Hughes-Ebenen.
Nilpotent Singer groups.
Normalformen für Flächen 3. Ordnung
Normalteiler und Faktorstrukturen geschlitzter Inzidenzgruppen.
Normisomorphismen und Normkurven endlichdimensionaler projektiver Desargues-Räume.
Note on Symmetric Designs and Projective Spaces.
Note sur la détermination des asymptotes dans les intersections des surfaces du second degré
O dvou speciálních konfiguracích
Obtaining a 3D extension of Pascal theorem for non-degenerated quadrics and its complete configuration with the aid of a computer algebra system.
Odd order flag-transitive affine planes of dimension three over their kernel.
On a class of hyperplanes of the symplectic and Hermitian dual polar spaces.
On a generalization of nets
On a Generalization of the Gallai-Sylvester Theorem.
On a Model of Plane Geometry.
On a special class of Frobenius groups admitting planar partitions.
On collineation groups of translation planes of order .