Dziobek, Otto <br/><br/>
Mathematical theories of planetary motions 

 - New York  Dover Publications Inc.         1962 
 - vi, 294 p.  Includes bibliographical reference and index 
<br/><br/><label>Source: </label> Reference  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Perturbation astronomy<br/>Mathematics