@article{MAN_1971__193_182717,
     author = {S.M. SHAH},
     title = {Holomorphic {Functions} with {Mean} p-valent {Derivatives.}},
     journal = {Mathematische Annalen},
     pages = {176--182},
     publisher = {mathdoc},
     volume = {193},
     year = {1971},
     zbl = {0216.09803},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__193_182717/}
}