Jeffreys, Harold <br/><br/>
Methods of mathematical physics / 
Jeffreys, Harold, 
 - Cambridge [Eng.]  The University press,  1946 
 - viii, 718 p.  diagrs.  27 cm. 
<br/><br/> Includes most of Harold Jeffreys' Operational methods in mathematical physics" and "Cartesian tensors." cf. Pref." 
<br/><br/><label>ISBN: </label>521664020