@article{02097027,
title = {Basis properties of some systems of exponential functions, cosines, and sines.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {45},
year = {2004},
pages = {264-273},
zbl = {1048.42009},
language = {en},
url = {http://dml.mathdoc.fr/item/02097027}
}
Bilalov, B.T. Basis properties of some systems of exponential functions, cosines, and sines.. Sibirskij Matematicheskij Zhurnal, Tome 45 (2004) pp. 264-273. http://gdmltest.u-ga.fr/item/02097027/