TY  - BOOK
AU  - Cordes H O Ed.
AU  -  Gramsch B Ed.
AU  -  Widom H Ed.
ED  - Conference on pseudo differential operators (1986 : Oberwolfach)
TI  - Proceeding on Pseudo differential operators
T2  - Lecture notes in mathematics; 1256
U1  - B334p1,N86, M7 
PY  - 1987///
CY  - Berlin
PB  - Springer-Veralg         
ER  -