Pol van der B. <br/><br/>
Operational Calculus Based on the Two-Sided Laplace Integral. 3rd edit. 
Pol van der B., Bremmer H. 
 - N.Y.  Chelsea Publishing Company  1987 
 - 445 p. 
<br/><br/><label>Dewey Class. No.: </label>517.44/Berb.