Cluster Analysis in Fuzzy Rule Base Reduction. - Eugene Roventa; Tiberiu Spircu (Sci. Ann. Cuza Univ., 2001)

Groups operating on fuzzy sets. - Eugene Roventa; Tiberiu Spircu (Fuzzy Sets Syst., 2001)

Averaging procedures in defuzzification processes. - Eugene Roventa; Tiberiu Spircu (Fuzzy Sets Syst., 2003)

Fusion devices and changes of belief. - Valentina Emilia Balas; Eugene Roventa; Tiberiu Spircu (J. Intell. Fuzzy Syst., 2008)

Management of Knowledge Imperfection in Building Intelligent Systems - Eugene Roventa; Tiberiu Spircu (Springer, 2009)

Grafting, Locations, and Ordinal Dispersion. - Tiberiu Spircu (SOFA (1), 2014)

Catalan Numbers Associated to Integer Partitions and the Super-Exponential. - Tiberiu Spircu; Stefan V. Pantazi (SOFA (1), 2018)