01186nam a2200349 i 450099100097879970753620020507181000.0930607s1990 ||| ||| | eng 3540193057b1078410x-39ule_instLE01305193ExLDip.to Matematicaeng511.3AMS 03DAMS 03D15AMS 03D55AMS 03D60AMS 03D65QA9.6.S23Sacks, Gerald E.50334Higher recursion theory /Gerald E. SacksBerlin :Springer-Verlag,1990xv, 344 p. ;25 cm.Perspectives in mathematical logicRecursion theory.b1078410x23-02-1728-06-02991000978799707536LE013 03D SAC12 C.1 (1990)12013000146768le013-E0.00-l- 02020.i1088402628-06-02LE013 03D SAC12 C.2 (1990)22013000146751le013-E0.00-l- 01010.i1088403828-06-02Higher recursion theory79093UNISALENTOle01301-01-93ma -engxx 02