%0 Journal Article %A Kamthan Kumar, Pawan %T The derivatives of a meromorphic function and Nevanlinna's deficient values. %J Collectanea mathematica %D 1971 %P 5-17 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CLTM_1971_1971_1_a1/ %G en %F CLTM_1971_1971_1_a1