@article{BUMI_1966_3_21_4_a3,
     author = {Lakshminarasimhan, T.V.},
     title = {On the {Ritt} order of an entire {Dirichlet} series.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {358--361},
     publisher = {mathdoc},
     volume = {Ser. 3, 21},
     number = {4},
     year = {1966},
     zbl = {0152.06502},
     mrnumber = {126534},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1966_3_21_4_a3/}
}