<img src="http://foxridge.mpiwg-berlin.mpg.de/permanent/einstein/annalen/Einst_Neueb_de_1906/fulltext/img/Einst_Neueb_de_190614x.png" alt=" { } 5 3 @2(1r) @2(1r)- @2(1r) p = - 3 kP A @ q2 + B @ j2 + C @ z2 + konst., 5 3 -q @D- { u = A q - 3 P A r3- @q , v = B j - 53 P 3 B jr3-- @@Dj-, 5 3 z- @D- w = C z - 3 P C r3 - @z , " class="math-display"/>
</center>
</td>
<td width="5%">(5)</td>
</tr>
</table>
<p class="nopar"/>
<p class="noindent"/>
<table width="100%" class="equation">
<tr>
<td>
<a id="x1-7r6"/>
<center class="math-display">
<img src="http://foxridge.mpiwg-berlin.mpg.de/permanent/einstein/annalen/Einst_Neueb_de_1906/fulltext/img/Einst_Neueb_de_190615x.png" alt=" { } D = A 5 P3 @2r2 + 1 P5@2(1r2) {6 @ q 6 @ q } { + B 5 P3-@2r2 + 1 P5@2(1r2) {6 @ j 6 @ j } + C 5P3 @2r2-+ 1P 5@2(1r)2- . 6 @ z 6 @ z " class="math-display"/>
</center>
</td>
<td width="5%">(5a)</td>
</tr>
</table>
<p class="nopar"/>
<p class="noindent">Es ist leicht zu beweisen, daß die Gleichungen (5) Lösungen
<br/>
der Gleichungen (4) sind. Denn </p>
<center class="par-math-display">
<img src="http://foxridge.mpiwg-berlin.mpg.de/permanent/einstein/annalen/Einst_Neueb_de_1906/fulltext/img/Einst_Neueb_de_190616x.png" alt=" 1 2 D q = 0, D r = 0, D r = r " class="par-math-display"/>
</center>
<p class="nopar"/>
<p class="noindent"/>
<center class="par-math-display">
<img src="http://foxridge.mpiwg-berlin.mpg.de/permanent/einstein/annalen/Einst_Neueb_de_1906/fulltext/img/Einst_Neueb_de_190617x.png" alt=" ( ) { ( )} D q- = --@- D 1 = 0, r3 @q r " class="par-math-display"/>
man, daß die zweite und dritte der Gleichungen (4) erfüllt ist.
<br/>
Ferner erhält </p>
<center class="par-math-display">
<img src="http://foxridge.mpiwg-berlin.mpg.de/permanent/einstein/annalen/Einst_Neueb_de_1906/fulltext/img/Einst_Neueb_de_190623x.png" alt="@u-+ @-v + @w- = (A + B + C) @q @ j @q " class="par-math-display"/>
</center>
<p class="nopar"/>
<center class="par-math-display">
<img src="http://foxridge.mpiwg-berlin.mpg.de/permanent/einstein/annalen/Einst_Neueb_de_1906/fulltext/img/Einst_Neueb_de_190624x.png" alt=" 5 { @2(1r) @2(1r) @2(1r)} + 3 P3 A -@q2- + B -@j2- + C -@z2-- - D D. " class="par-math-display"/>