in the example section (line -2 from the bottom)

Brockwell and Davies

should be

Brockwell and Davis


Regards,

Simone
______________________________________________________

Simone Giannerini
Dipartimento di Scienze Statistiche "Paolo Fortunati"
Universita' di Bologna
Via delle belle arti 41 - 40126  Bologna,  ITALY
Tel: +39 051 2098262  Fax: +39 051 232153
______________________________________________________

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