00441nam a2200133Ia 4500020001800000082002000018100002100038245010900059260005200168300002100220490005600241500000500297700000500302  a9780821806937  a512.5bSp742.EI  aSpeicher, Roland  aCombinatorial theory of the free product with amalgamation and operator-valued free probability theoryb  aProvidencebAmerican Mathematical Societyc1998  aviii, 88p. Bibl.  aMemoirs of the American Mathematical Society v 627  a  a