@article{KJM_2020_44_3_a4,
     author = {G. Farid},
     title = {On {Caputo} {Fractional} {Derivatives} via {Convexity}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {393 },
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2020_44_3_a4/}
}