@article{10_4064_ap_25_1_1_7,
     author = {M. K. Sen},
     title = {On the proximate order of $f^{(s)}(z)*g^{(s)}(z)$ and $[f(z)*g(z)]^{(s)}$},
     journal = {Annales Polonici Mathematici},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1971},
     doi = {10.4064/ap-25-1-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-25-1-1-7/}
}