Tripathy, B. C. e Debnath, S. (2012) “<b>On generalized difference sequence spaces of fuzzy numbers</b> - doi: 10.4025/actascitechnol.v35i1.15566”, Acta Scientiarum. Technology, 35(1), p. 117–121. doi: 10.4025/actascitechnol.v35i1.15566.