@article{10_4064_ap103_2_4,
     author = {Rong-Nian Wang and De-Han Chen and Yan Wang},
     title = {The global existence of mild solutions for
 semilinear fractional {Cauchy} problems in the $\alpha $-norm},
     journal = {Annales Polonici Mathematici},
     pages = {161--173},
     publisher = {mathdoc},
     volume = {103},
     number = {2},
     year = {2012},
     doi = {10.4064/ap103-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap103-2-4/}
}