@article{MV_1969_21_3_a1,
     author = {P. C. Dash},
     title = {On the order and type of entire {Dirichlet} series},
     journal = {Matemati\v{c}ki vesnik},
     pages = {259 },
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/MV_1969_21_3_a1/}
}