TY - JOUR AU - Tsuji, Mikio TI - Prolongation of classical solutions and singularities of generalized solutions JO - Annales de l'I.H.P. Analyse non linéaire PY - 1990 SP - 505 EP - 523 VL - 7 IS - 6 PB - Gauthier-Villars UR - http://archive.numdam.org/item/AIHPC_1990__7_6_505_0/ LA - en ID - AIHPC_1990__7_6_505_0 ER -