Karnakov, Boris Mikhailovich WKB Approximation in Atomic Physics [eBook] - Heidelberg, Berlin Springer Berlin Heidelberg 2013 - Online resource ISBN: 978-3-642-31557-2 (Print) 978-3-642-31558-9 (Online) Subjects--Topical Terms: Atomic, Molecular, Optical and Plasma Physics Mathematical Applications in the Physical Sciences Mathematical Methods in Physics Quantum PhysicsPhysics