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Trace formula for the Sturm-Liouville operator with singularity
(VSP BV-C/O BRILL ACAD PUBL, 1998)
Let mu(1), mu(2),..., mu(n),... be the Dirichlet spectrum of the operator -d(2)/dx(2) + q(x) acting on L-2(0,pi). In the special case where q(x) = 0, mu(n) = n(2). In the [1] and others discovered the asymptotic formula ...