B. Shmuttsler, “Estimates for the number of points of the negative spectrum of a class of pseudodifferential operators”, Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1990, Number 4,Pages <nobr>3

JOURNALS // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika // Archive

Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 1990 Number 4, Pages 3–5 (Mi vmumm2678)

Mathematics

Estimates for the number of points of the negative spectrum of a class of pseudodifferential operators

B. Shmuttsler

UDC: 517.984.5

Received: 15.06.1988

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