@article{GDZPPN002041766, title = {On a signed cosine equation of N summands. (Summary).}, journal = {Aequationes mathematicae}, volume = {52}, year = {1996}, pages = {206-207}, url = {http://dml.mathdoc.fr/item/GDZPPN002041766} }
Stetkaer, Henrik. On a signed cosine equation of N summands. (Summary).. Aequationes mathematicae, Tome 52 (1996) pp. 206-207. http://gdmltest.u-ga.fr/item/GDZPPN002041766/