@article{10_14736_kyb_2019_4_0668,
     author = {Su, Yong},
     title = {Smooth implications on a finite chain},
     journal = {Kybernetika},
     pages = {668--674},
     publisher = {mathdoc},
     volume = {55},
     number = {4},
     year = {2019},
     doi = {10.14736/kyb-2019-4-0668},
     mrnumber = {4043541},
     zbl = {07177909},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.14736/kyb-2019-4-0668/}
}