00846nam0-22002891i-450-99000257630040332120120730115237.0000257630FED01000257630(Aleph)000257630FED0100025763020030910d1963----km-y0itay50------baengDirect and converse theoremsI. S. GradshteinOxfordPergamon Press1963.xviii, 173 p.23 cmInternational series in pure and applied mathematics27Logica e fondamenti511.3Gradshteyn,Izrail Solomonovich344566ITUNINARICAUNIMARCBK990002576300403321MXXXII-B-114025970MASMASDirect and Converse Theorems354550UNINA