%0 Journal Article %A Iossif Ostrovskii %A Alexander Ulanovskii %T On sign changes of tempered distributions having a spectral gap at the origin %J Comptes Rendus. Mathématique %D 2003 %P 325-330 %V 336 %N 4 %I Elsevier %R 10.1016/S1631-073X(03)00036-0 %G en %F CRMATH_2003__336_4_325_0