@article{10_1017_S2040618500035085,
     author = {Kamthan, Pawan Kumar},
     title = {Proximate order {(R)} of entire functions represented by {Dirichlet} series {(IV)}},
     journal = {Glasgow mathematical journal},
     pages = {15--18},
     year = {1965},
     volume = {7},
     number = {1},
     doi = {10.1017/S2040618500035085},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S2040618500035085/}
}