000			00391nam a2200157Ia 4500
008			170207s9999 xx 000 0 und d
082			_aPG 511.3 ERS-M
100			_aErshov, Yu L; Playutin, E A
245			_aMathematical logic
260			_bMir Publishers, Moscow
260			_c1984
300			_a303
365			_b12.75
650			_aMathematical logic; Mathematics
942			_cBOOKS
999			_c27489 _d27489