Gavrilov, M. A. <br/><br/>
Lyapas :   programming language for logic and coding algorithms / 
by  M. A. Gavrilov and  A. D. Zakrevskii 
 -  Academic,   1969. 
<br/><br/><label>Subjects--Index Terms: </label>Computer Science 
<br/><br/><label>Dewey Class. No.: </label>621.38195