Closed HowardCohl closed 6 years ago
on p.25, there is ${\mathbb N}_0$ It should be defined, something like
${\mathbb N}_0:={0,1,2,\ldots}$
(unless I missed the definition somewhere else).
on p.25, there is ${\mathbb N}_0$ It should be defined, something like
${\mathbb N}_0:={0,1,2,\ldots}$
(unless I missed the definition somewhere else).