@article{FCAA_2010_13_3_a4,
     author = {Samuel, M. and Thomas, Anitha},
     title = {On {Fractional} {Helmholtz} {Equations}},
     journal = {Fractional calculus and applied analysis},
     pages = {295--308},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/FCAA_2010_13_3_a4/}
}