%0 Journal Article %A Tsuji, Mikio %T Prolongation of classical solutions and singularities of generalized solutions %J Annales de l'I.H.P. Analyse non linéaire %D 1990 %P 505-523 %V 7 %N 6 %I Gauthier-Villars %U http://archive.numdam.org/item/AIHPC_1990__7_6_505_0/ %G en %F AIHPC_1990__7_6_505_0