Williamson, Richard E. <br/><br/>
Multivariable mathematics  linear algebra differential equations calculus 
by Richard E. Williamson, Hale F.Trotter 
 - New Jersey  Prentice Hall  1974 
 - ix, 630p. 
<br/><br/><label>ISBN: </label>0136048358 
<br/><br/><label>Dewey Class. No.: </label>515  / N745;1