Barbashor, B. M. <br/><br/>
Introduction to the relativistic string theory 
B. M. Barbashov, V. V. Nesterenko translator T.Yu. Dumbrajs 
 - Singapore  World Scientific  19909971506874 
 - 249 p. ;  22 cm. 
<br/><br/> Includes indexes 
<br/><br/>p. 233-244 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Superstring Meories<br/>String models<br/>Special relativity(Physics)