<span class="searchmatch">differensekvationernas</span> definite genitive plural of differensekvation...
<span class="searchmatch">differensekvationerna</span> definite plural of differensekvation...
differensekvationen differensekvationens plural indefinite differensekvationer differensekvationers definite <span class="searchmatch">differensekvationerna</span> <span class="searchmatch">differensekvationernas</span>...