Propagation of micro-analyticity for solutions of pseudo-differential equations. I

Tetsuji Miwa
1974 Publications of the Research Institute for Mathematical Sciences  
Propagation of micro-analyticity is studied for a solution u of a pbeudo-diiferential equalioD P(r, Z»# -0 of a certain class whose characteristics are not necessarily of constant multiplicity. Received April 10, 1974,
doi:10.2977/prims/1195192008 fatcat:oeltb6kqqneapo6okhp3qciela