@misc {TN_libero_mab2,
author
=
{
Lachlan, A. H.
}
,
title
=
{
Some Notions of Reducibility and Productiveness
}
,
publisher
=
{
Wiley
}
,
isbn
=
{
0942-5616
}
,
isbn
=
{
1521-3870
}
,
keywords
=
{
Logic
}
,
year
=
{
1965
}
,
}
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