Degrees of unsolvability/
Sacks, Gerald E.
Degrees of unsolvability/ Gerald E. Sacks. - Princeton, N.J.: Princeton University Press, 1963. - ix, 174 p.: 24 cm. - Annals of mathematics studies; 55 .
Bibliography: p. 173-174.
63009996 //r83
Recursive functions
Unsolvability (Mathematical logic)
511.3 / S121d
Degrees of unsolvability/ Gerald E. Sacks. - Princeton, N.J.: Princeton University Press, 1963. - ix, 174 p.: 24 cm. - Annals of mathematics studies; 55 .
Bibliography: p. 173-174.
63009996 //r83
Recursive functions
Unsolvability (Mathematical logic)
511.3 / S121d