@article{DAN_1975_221_4_a18, author = {K. Ya. Kondrat'ev and A. A. Buznikov and A. I. Lazarev and E. V. Khrunov}, title = {Photographing of sunrise or sunset from the space}, journal = {Doklady Akademii Nauk}, pages = {832--834}, publisher = {mathdoc}, volume = {221}, number = {4}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_4_a18/} }