000 00391nam a2200169Ia 4500
082 _a511.3
_bSh559.DU
100 _aShoenfield, Joseph R.
245 _aDegrees of unsolvability
_b
260 _aAmsterdam
_bNorth-Holland
_c1971
300 _a111p.
490 _aNorth-Holland Mathematics studies
_v 2
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a8818
999 _c8818
_d8818