@article{DAN_1958_122_5_a12, author = {N. B. Divari}, title = {Variations of the twilight sky colour}, journal = {Doklady Akademii Nauk}, pages = {795--798}, publisher = {mathdoc}, volume = {122}, number = {5}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_5_a12/} }