Fuzzy logic-based generalized decision theory with imperfect information. - Rafik A. Aliev; Witold Pedrycz; Bijan Fazlollahi; Oleg H. Huseynov; Akif V. Alizadeh; Babek G. Guirimov (Inf. Sci., 2012)

Fuzzy optimality based decision making under imperfect information without utility. - Rafik A. Aliev; Witold Pedrycz; Akif V. Alizadeh; Oleg H. Huseynov (Fuzzy Optim. Decis. Mak., 2013)

The Arithmetic of Z-Numbers - Theory and Applications - Rafik A. Aliev; Oleg H. Huseynov; Rashad R. Aliev; Akif V. Alizadeh (The Arithmetic of Z-Numbers, 2015)

Z-Number-Based Linear Programming. - Rafik A. Aliev; Akif V. Alizadeh; Oleg H. Huseynov; K. I. Jabbarova (Int. J. Intell. Syst., 2015)

The arithmetic of discrete Z-numbers. - Rafik A. Aliev; Akif V. Alizadeh; Oleg H. Huseynov (Inf. Sci., 2015)