%0 Journal Article %A WawrzyƱczyk, Antoni %T Spectral Analysis on Upper Light Cone in R3 and the Radon Transform %J Canadian journal of mathematics %D 1988 %P 1458-1481 %V 40 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-067-7/ %R 10.4153/CJM-1988-067-7 %F 10_4153_CJM_1988_067_7