@article{JNSA_2017_10_11_a5,
     author = {Bao, Yu-E   and Li , Jin-Jun   and Bai, Eer-Dun },
     title = {Study on differentiability problems of interval-valued functions },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {5677-5689},
     publisher = {mathdoc},
     volume = {10},
     number = {11},
     year = {2017},
     doi = {10.22436/jnsa.010.11.06},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.010.11.06/}
}