— 230 — 

 (Sein @cfammtti)crtl) ift alfo : 



n — m + l 4 _' 



W'^^c'pn — + l+(r'+a')-L____^ + _I_ (9) 



3)uvd) ^infül)runcj bc6 S3cftantc3 an (StcWe bcö normalen 

 toerminbcit ftc^ t>er idt)rltcf)e D^cinertrag um a' ia^xii^ unb 

 um c' am (Snbe be6 je (m — 1). 3a{)reö* (S6 ift alfo bcm nor^ 

 malen S5albc juju^aljlen: 



Wn.-p„_l + (pn_i^pm-l pm-1 (pO _ ^^ pm-1 



_a/ (h^-cOp"-"^ + ^ (p— 1)-a^p" — 1) 



~ P— 1 ~" (pn_l)(p_l) 



(5^ ift aber h' =c'p" + (r' + a')-^i^ ? ^^^ ifi «w^ 



( c'p" + (r'+ a') J^-=l-_ c'j pn-«^ + l (p_l)_a' (pn -1) 



'''''" = rp"-i)(P-i) 



_ [ c ^p" - 1) + (r^ + a^) p" - (r^ + a^) - c^p - 1)] p" - "^ + ^ 

 — (p»_l)(p_l) 



a'(p"-l) ^j,^ 



(p" - 1) (P - l) 



!Die ®lcicl)un3 (9) für W'n, lautet aber: 



pn-m + 1 c^ (p _ 1) + (r^ 4- a^ (p"-'"+ ^ _ i ) -j- (r^ -}- a^) - a 

 - p- 1 



Tlan multiplicire ^al^in unb 9lcnner bor rccljtcn ^dtt 

 biefer ©Icic^uncj mit (p" — 1), fo i\){vb: 



; _ [c^p"(p-n+(r^+a^p"-(r^+a^-c^(p-l)]p"-"^+^ 



p" — 1) (P - 1) 



Wn, 



(p»_ 1) (p _ 1) 



5)ie Gleichungen (10) unb (11) finb ibentifd)» (^ö ift 

 alfo ßleidißültig ob unr bcn 2Öalbn)crtl) bcö ^cftanbeö auö 

 bem Dtcincrtraßc ermitteln, ober if)n au6 S3obcn^ unb 5Be^ 



