00769nam0-22002411i-450-990001213560403321000121356FED01000121356(Aleph)000121356FED0100012135620000920d1987----km-y0itay50------baengPseudo-Differential OperatorsProceedings of a Conference held in Oberwolfach, February 2-8, 1986Edited by H.O. Cordes, B. Gramsch and H. Widom.Berlin [etc.]Springer-Verlag1987Lecture Notes in Mathematics1256ITUNINARICAUNIMARCBK990001213560403321C-20-(12563435MA1MA1Pseudo-differential operators80165UNINAING01