@article{VMUMM_1999_5_a7,
     author = {A. Yu. Popov},
     title = {On the completeness of systems of exponentials with real exponents of a given upper density in the space of analytic functions},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {48--52},
     publisher = {mathdoc},
     number = {5},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_5_a7/}
}