TY  - BOOK
AU  - Maslov,V.P.
AU  - Fedor i uk,Mikhail Vasil evich
TI  - Semi-classical approximation in quantum mechanics
PY  - 1981///
CY  - Dordrecht
PB  - D. Reidel Publishing Company
KW  -  Approximation theory
KW  -  Quantum theory
N1  - Includes indexes; Bibliography: p. 290-294
ER  -