Lavrentiev, M. M. <br/><br/>
Some Improperly Posed Problems of Mathematical Physics 

 - New York  Springer-Verlag  1967 
 - 72 
<br/><br/><label>Publisher. No.: </label> Bangalore Book Bureau 
<br/><br/><label>Subjects--Personal Names: </label> Physics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics