Skii K  M A <br/><br/>
Approximate solution of operator equations 
Skii K  M A; Vainikko G M 
 -  1972 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>29838 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>B33, L2