01204nam2-2200373---450-99000321970020331620090416174300.0000321970USA01000321970(ALEPH)000321970USA0100032197020090416d1979----km-y0itay50------baengUSy---||||001yyLectures on pseudo-differential operatorsregularity theorems and applications to non-elliptic problemsby Alexander Nagel, E. M. SteinPrincetonPrinceton university presscopyr. 1979159 p.24 cmMathematical notes242001Mathematical notes0010003153542001Mathematical notesOperatori pseudo-differenzialiBNCF515.7242NAGEL,AlexanderSTEIN,E. M.ITsalbcISBD990003219700203316510 MN/2410148/CBS51000216234BKSCIRSIAV79020090416USA011724RSIAV79020090416USA011743Lectures on pseudo-differential operators1011341UNISA