@article{1138833877,
author = {Udagawa, Masatomo},
title = {On lacunary non-harmonic trigonometric series},
journal = {Kodai Math. Sem. Rep.},
volume = {2},
number = {1-2},
year = {1950},
pages = { 17-20},
language = {en},
url = {http://dml.mathdoc.fr/item/1138833877}
}
Udagawa, Masatomo. On lacunary non-harmonic trigonometric series. Kodai Math. Sem. Rep., Tome 2 (1950) no. 1-2, pp. 17-20. http://gdmltest.u-ga.fr/item/1138833877/