TY  - JOUR
AU  - A. A. Nikitin
TI  - Approximate estimation of the decrement of N III lines in the spectra of planetary nebulae
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 63
EP  - 65
VL  - 145
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_145_1_a15/
LA  - ru
ID  - DAN_1962_145_1_a15
ER  -