00925nam0-22003131i-450-9900010346504033210-8053-7064-1000103465FED01000103465(Aleph)000103465FED0100010346520000920d1977----km-y0itay50------baengQualitative Methods in Quantum TheoryA.B. Migdaltranslated from the russian edition by Anthony J. LeggettReading [MA] [etc.]Benjamin1977P.Frontiers in physics48Meccanica quantistica530.12Migdal,Arkadii Beinusovich48392Leggett,Anthony J.ITUNINARICAUNIMARCBK99000103465040332122-14410643FI1FI1Qualitative Methods in Quantum Theory338881UNINAING01