When the Totient Is the Product of the Squared Prime Divisors: 10966. - Jean-Marie De Koninck; Stefan Gubo (Am. Math. Mon., 2004)

3D-2D Data Fusion in Cultural Heritage Applications. - Robert Frohlich; Stefan Gubo; Attila Lévai; Zoltan Kato (Heritage Preservation, 2018)

Fuzzy Inference Speed Enhancement for Low Budget Computers using Hash Indices. - Balázs Tusor; Stefan Gubo; Annamária R. Várkonyi-Kóczy (MeMeA, 2022)

Parallel Compound Index Arrays for Flexible Classification. - Balázs Tusor; Stefan Gubo; Annamária R. Várkonyi-Kóczy (SISY, 2022)

A Personal Home Office Helper. - Balázs Tusor; Stefan Gubo; Annamária R. Várkonyi-Kóczy (MeMeA, 2023)

Improved Sequential Fuzzy Indexed Search Trees for Fast Classification. - Balázs Tusor; Annamária R. Várkonyi-Kóczy; Stefan Gubo (MeMeA, 2024)

Hyperparameter Tuning for Sequential Fuzzy Indexed Search Trees Classifiers for Biosignal Processing. - Balázs Tusor; Annamária R. Várkonyi-Kóczy; Stefan Gubo (MeMeA, 2025)