%0 Journal Article %A Vassiliev, Dimitri G. %T Characteristic properties of distributions associated with the wave group %J Journées équations aux dérivées partielles %D 1992 %P 1-14 %I Ecole polytechnique %U https://www.numdam.org/articles/10.5802/jedp.433/ %R 10.5802/jedp.433 %G en %F JEDP_1992____A15_0