%0 Journal Article %A Nguyen, Mai K. %A Truong, T.Tuong %T On a generalized X-ray transform and a new method for defect detection using the medium electronic density %J Comptes Rendus. Mathématique %D 2003 %P 195-200 %V 336 %N 2 %I Elsevier %U http://archive.numdam.org/articles/10.1016/S1631-073X(03)00010-4/ %R 10.1016/S1631-073X(03)00010-4 %G en %F CRMATH_2003__336_2_195_0