@article{EJDE_2016__2016__a19,
     author = {Karakostas, George L. and Purnaras, Ioannis K.},
     title = {Singular regularization of operator equations in $L_1$ spaces via fractional differential equations},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2016},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2016__2016__a19/}
}