%0 Journal Article
%A A. A. Nikitin
%T Approximate estimation of the decrement of N III lines in the spectra of planetary nebulae
%J Doklady Akademii Nauk
%D 1962
%P 63-65
%V 145
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_145_1_a15/
%G ru
%F DAN_1962_145_1_a15