Search Results       Your search for [subject]Approximation theory 0Quantum theory returned 1 record.           Approximation methods of quantum mechanics _ Priblizhennye metody kvantovoæi mekhaniki. English. by Migdal, A. B. (Arkadiæi Beæinusovich), 1911-; Ann Arbor, Mich.: NEO Press, 1968. Subject: Approximation theory 0Quantum theory.          Add to Book Cart Relevance: 30.54%