| 135 | -- | 136 | Radko Mesiar, Robert Fullér. Foreword |
| 137 | -- | 142 | Dimitar P. Filev, Ronald R. Yager. Operations on fuzzy numbers via fuzzy reasoning |
| 143 | -- | 153 | Milan Mares. Weak arithmetics of fuzzy numbers |
| 155 | -- | 163 | Bernadette Bouchon-Meunier, Olga Kosheleva, Vladik Kreinovich, Hung T. Nguyen. Fuzzy numbers are the only fuzzy sets that keep invertible operations invertible |
| 165 | -- | 175 | George J. Klir. Fuzzy arithmetic with requisite constraints |
| 177 | -- | 184 | Bernard De Baets, M. Mares, Radko Mesiar. τ-partitions of the real line generated by idempotent shapes |
| 185 | -- | 202 | Ronald E. Giachetti, Robert E. Young. A parametric representation of fuzzy numbers and their arithmetic operators |
| 203 | -- | 213 | Bernard De Baets, Andrea Marková-Stupnanová. Analytical expressions for the addition of fuzzy intervals |
| 215 | -- | 229 | Anna Kolesárová. Similarity preserving t-norm-based additions of fuzzy numbers |
| 231 | -- | 237 | Radko Mesiar. Triangular-norm-based addition of fuzzy intervals |
| 239 | -- | 252 | Dug Hun Hong, Changha Hwang. A T-sum bound of LR-fuzzy numbers |
| 253 | -- | 258 | Andrea Marková-Stupnanová. A note to the addition of fuzzy numbers based on a continuous Archimedean T-norm |
| 259 | -- | 268 | Stanislaw Heilpern. Representation and application of fuzzy numbers |
| 269 | -- | 277 | Olga Kosheleva, Sergio D. Cabrera, Glenn A. Gibson, Misha Koshelev. Fast implementations of fuzzy arithmetic operations using fast Fourier transform (FFT) |