@article{DAN_1962_145_1_a15,
     author = {A. A. Nikitin},
     title = {Approximate estimation of the decrement of {N} {III} lines in the spectra of planetary nebulae},
     journal = {Doklady Akademii Nauk},
     pages = {63--65},
     publisher = {mathdoc},
     volume = {145},
     number = {1},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_145_1_a15/}
}