Maslov, V. P. <br/><br/>
Semi-classical approximation in quantum mechanics / 
V.P. Maslow and M.V. Fedoriuk translated from Russian by J. Niederle and J. Tolar. 
 - Dordrecht:  D. Reidel Publishing Company,  1981. 
 - ix, 301 p. ;  23 cm. 
 - Mathematical physics and applied mathematics  v. 7. .
<br/><br/>Includes indexes. Bibliography: p. 290-294. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Approximation theory.<br/> Quantum theory.