Mathematics, its content, methods, and meaning / 
edited by A.D. Aleksandrov, A.N. Kolmogorov, M.A. Lavrent'ev ; translated by S.H. Gould and T. Bartha. 
 - 2nd ed. 
 - Cambridge, MA :  M.I.T. Press,  1969. 
 - M.I.T. Press paperback ;  106-108 .
<br/><br/> Vol. 3 translated by K. Hirsch. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>64007547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.