Geometric axioms for existentially closed Hasse fields. - Piotr Kowalski (Ann. Pure Appl. Log., 2005)

Derivations of the Frobenius map. - Piotr Kowalski (J. Symb. Log., 2005)

A note on a theorem of Ax. - Piotr Kowalski (Ann. Pure Appl. Log., 2008)

An Automatic Recognition of the Frontal Sinus in X-Ray Images of Skull. - Zbislaw Tabor; Dariusz Karpisz; Leszek Wojnar; Piotr Kowalski (IEEE Trans. Biomed. Eng., 2009)

Data Replication Methods in Distributed Sale Systems. - Piotr Kowalski; Katarzyna Harezlak (ICMMI, 2011)

Existentially closed fields with G-derivations. - Daniel Max Hoffmann; Piotr Kowalski (J. Lond. Math. Soc., 2016)

Strongly Minimal Reducts of Valued Fields. - Piotr Kowalski; Serge Randriambololona (J. Symb. Log., 2016)

Existentially closed fields with finite group actions. - Daniel Max Hoffmann; Piotr Kowalski (J. Math. Log., 2018)

Mechanical ventilation settings advisory system Odyn. - Krzysztof Grabczewski; Rafal Adamczak; Marek Grochowski; Michal Joachimiak; Oleksandr Sokolov; Michalina Marta Kolodziejczak; Piotr Kowalski; Katarzyna Sierakowska (AMCIS, 2023)

Model Theory of Fields with finite Group Scheme Actions. - Daniel Max Hoffmann; Piotr Kowalski (J. Symb. Log., 2023)