John, Fritz  1910-1994. <br/><br/>
Plane waves and spherical means applied to partial differential equations 

 - New York:   Interscience Publishers.   1955. 
 - viii, 172 p.:   il. graf.;  
 - Interscience tracts in pure and applied mathematics,  no. 2 .
 - Interscience tracts in pure and applied mathematics, .
<br/><br/><label>Nat. Bib. No.: </label>GB56-1778 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PARTIAL DIFFERENTIAL EQUATIONS<br/>ECUACIONES DIFERENCIALES PARCIALES<br/>WAVE PROPAGATION 
<br/><br/><label>Universal Decimal Class. No.: </label>517.944