On the Density of Truth of Implicational Parts of Intuitionistic and Classical Logics. - Zofia Kostrzycka (J. Appl. Non Class. Logics, 2003)

Statistics of Intuitionistic versus Classical Logics. - Zofia Kostrzycka; Marek Zaionc (Stud Logica, 2004)

The density of truth in monadic fragments of some intermediate logics. - Zofia Kostrzycka (J. Log. Lang. Inf., 2007)

On non-compact logics in NEXT(KTB). - Zofia Kostrzycka (Math. Log. Q., 2008)

On asymptotic divergency in equivalential logics. - Zofia Kostrzycka (Math. Struct. Comput. Sci., 2008)

Asymptotic Densities in Logic and Type Theory. - Zofia Kostrzycka; Marek Zaionc (Stud Logica, 2008)

On the Density of Truth of Locally Finite Logics. - Zofia Kostrzycka (J. Log. Comput., 2009)

On a Finitely Axiomatizable Kripke Incomplete Logic Containing KTB. - Zofia Kostrzycka (J. Log. Comput., 2009)

On linear Brouwerian logics. - Zofia Kostrzycka (Math. Log. Q., 2014)

Normal Modal Logics Determined by Aligned Clusters. - Zofia Kostrzycka; Yutaka Miyazaki (Stud Logica, 2017)

Quantitative Study of Fuzzy Logics. - Zofia Kostrzycka; Marek Zaionc (FUZZ-IEEE, 2020)

Asymptotic comparison of the implicative fragments of certain fuzzy logics. - Slawomir Kost; Zofia Kostrzycka (FUZZ-IEEE, 2022)

Projective unification in weakly transitive and weakly symmetric modal logics. - Zofia Kostrzycka (J. Log. Comput., 2022)

Fuzzy logics - quantitatively. - Zofia Kostrzycka; Marek Zaionc (J. Appl. Non Class. Logics, 2024)