@article{KYB_1989__25_1_a0,
     author = {Mare\v{s}, Milan},
     title = {Addition of rational fuzzy quantities: {Convolutive} approach},
     journal = {Kybernetika},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1989},
     mrnumber = {987852},
     zbl = {0668.94024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1989__25_1_a0/}
}