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Lower bounds for Schrödinger equations. (English) Zbl 0492.35057

Journ. Équ. Dériv. Partielles, Saint-Jean-De-Monts 1982, Exp. No. 7, 7 p. (1982).

MSC:

35P15 Estimates of eigenvalues in context of PDEs
35J10 Schrödinger operator, Schrödinger equation