@article{10_4064_sm220_2_2,
     author = {Zhan-Dong Mei and Ji-Gen Peng and Jun-Xiong Jia},
     title = {A new characteristic property of {Mittag-Leffler} functions and fractional cosine functions},
     journal = {Studia Mathematica},
     pages = {119--140},
     publisher = {mathdoc},
     volume = {220},
     number = {2},
     year = {2014},
     doi = {10.4064/sm220-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm220-2-2/}
}