Corrections to the print edition
p36 line -7: missing open bracket before ‘1)’; line-2 delete ‘in’
p37 Proof of Theorem 1: ‘ith step of the iteration’
p52 Theorem 4 item 2: ‘the’ not ‘ther’
p59 line 11: ‘it’ not ‘is’
p65 Figure 3.14 ‘as the rise is reduced’ not ‘as the the divergence is reduced’
p77 line -17 ‘sum’ not ‘some’
