01240nam a2200325 i 450099100143278970753620020507193350.0010515s|||| ne ||| | eng 0444887970b10846827-39ule_instLE01312200ExLDip.to Matematicaeng515.724AMS 47B99Martínez Carracedo, Celso66177The theory of fractional powers of operators /Celso Martínez Carracedo and Miguel Sanz Alix1st edAmsterdam :Elsevier,2001xi, 365 p. ;25 cmNorth-Holland mathematics studies,0304-0208 ;187Includes bibliographical references and indexDifferential operatorsLinear operatorsSanz Alix, Miguelauthorhttp://id.loc.gov/vocabulary/relators/aut66178.b1084682723-02-1728-06-02991001432789707536LE013 47B CAR11 (2001)12013000126715le013-E0.00-l- 03130.i1095762528-06-02Theory of fractional powers of operators1409311UNISALENTOle01301-01-01ma -engne 41