Transitivity Domains of Groups of Similarities.
Translačné štruktúry. Centrálne a necentrálne translačné štruktúry
Translations and Axial Collineations of Affine Designs.
Transvectants des formes binaires et représentations des groupes binaires polyhedraux
Triangles I: Shapes.
Triangles II: Complex triangle coordinates.
Triangles III: Complex triangle functions.
Two cylinder problems in the Euclidean space. (Zwei Zylinderprobleme im euklidischen Raum.)