Gaya APA
Karnakov, B, M., Krainov, V, P. (2013).
WKB approximation in atomic physics .
Heidelberg:
Springer Berlin.
Gaya MLA
Karnakov, Boris, Mikhailovich., Krainov, Vladimir, Pavlovich.
"WKB approximation in atomic physics".
Heidelberg:
Springer Berlin,
2013.
Electronic Resource.