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2、 , f (b) , C (c , fA(c) ) ,TA CB .aBF ? zE. I : F ,fCL. . 2. 198 9M7 6 , 7 7 , 9 2:.q xMc X y: .I. .v. 199 0 M,43:.q r :,: 6r. . . 19 84 M,224:. a. . . 19 87 M,65:.q x 5: SI. 3 ?Z5. .19 84 M,82:. + . # ? !.u ccEv, 19 9 1 M9 ,14:. q x:, 2a5r. .S. 1990 M,456 , 614:.u vv, , 19 9 5 M,5:. 5F.?rSEl v. .19
3、 94 M,99 , 430:. I. 1 . =Sv. 19 95M,327:. VrI. E . . 199 4 M,6:.( 24:)CBt NE ,s V H kEvM7 ( A3) .B M)v 3 ,s M, - 1 L , Bq7 Y. 7,= $= M -,T = HoU p ST.V YC =, N B oPp?ZV,1. ID1 Mor ri s Kl in e,f afr. X,B.Z S/ . 19 7 9 M.2 G o r d o n sw ain , T ho m a s D e n e e , A r e h im e d e s Q u a d r a t u r e o f thep a r a bo la r e v isite d , Ma the m a tie s Ma g a z in e , A PR , 1998 .3 T o m M . A p o st o l, C a le u lu s V o lu m e l, Jo h n w ile y & s o n s , In e ,19 67 .
