@article{IJAMCS_2006_16_1_a3,
     author = {Kosi\'nski, W.},
     title = {On fuzzy number calculus},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {51--57},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2006_16_1_a3/}
}