MathSciNet bibliographic data MR1925913 81R15 (35P20 35Q40 37B10 46L05 47F05 47L65 81Q10) Măntoiu, Marius \$C^\ast\$$C^\ast$-algebras, dynamical systems at infinity and the essential spectrum of generalized Schrödinger operators. J. Reine Angew. Math. 550 (2002), 211–229. Article

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