000 00477nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510
_bAm512
100 _aEpstein R L
245 _aMinimal degrees of unsolvability and the full approximation construction
260 _aN Y
_bAMS
_c1975
440 _aAmerican Mathematical Society: Memoirs; 162
650 _aApproximation theory
650 _aMathematics
942 _cBK
999 _c2843
_d2843