Convergence and Duality. - Roman Fric (Appl. Categorical Struct., 2002)

Measures on MV-algebras. - Roman Fric (Soft Comput., 2002)

Extension of domains of states. - Roman Fric (Soft Comput., 2009)

Fuzzification of crisp domains. - Roman Fric; Martin Papco (Kybernetika, 2010)

A Categorical Approach to Probability Theory. - Roman Fric; Martin Papco (Stud Logica, 2010)

States on Bold Algebras: Categorical Aspects. - Roman Fric (J. Log. Comput., 2011)

Probability: From classical to fuzzy. - Roman Fric; Martin Papco (Fuzzy Sets Syst., 2017)

Conditional probability on full Łukasiewicz tribes. - Peter Elias 002; Roman Fric (Soft Comput., 2020)