@article{PIM_1971_N_S_11_25_a2,
     author = {S. L. Bora and R. K. Saxena},
     title = {On {Fractional} {Integration}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {19 },
     publisher = {mathdoc},
     volume = {_N_S_11},
     number = {25},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/PIM_1971_N_S_11_25_a2/}
}