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Found 27 Documents (Results 1–27)

Spectral problems for the Sturm-Liouville equation with a parameter. Geometry of finite-gap potentials. (English. Russian original) Zbl 0791.34065

Sov. Math., Dokl. 43, No. 2, 439-444 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 550-554 (1991).
Reviewer: Y.P.Mishev (Sofia)
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On a class of noncentered compact difference schemes of fifth order, based on Padé approximants. (English. Russian original) Zbl 0772.65070

Sov. Math., Dokl. 44, No. 1, 69-74 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 72-77 (1991); corrections ibid. 45, No. 1, ix (1992).
Reviewer: M.Jung (Chemnitz)
MSC:  65N06 65N12 35J25
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The problem of the existence of a subdifferential for continuous and compact sublinear operators. (English. Russian original) Zbl 0745.47043

Sov. Math., Dokl. 42, No. 3, 842-845 (1991); translation from Dokl. Akad. Nauk SSSR 315, No. 4, 784-787 (1990).
Reviewer: P.Zabreiko (Minsk)
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The Noether property and the index of a class of two-dimensional singular integral operators. (English. Russian original) Zbl 0742.45001

Sov. Math., Dokl. 42, No. 1, 32-36 (1991); translation from Dokl. Akad. Nauk SSSR 313, No. 3, 541-545 (1990).
MSC:  45E10 47A53
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Equations of hypergeometric type and Newton polyhedra. (English. Russian original) Zbl 0667.33010

Sov. Math., Dokl. 37, No. 3, 678-682 (1988); translation from Dokl. Akad. Nauk SSSR 300, No. 3, 529-534 (1988).
Reviewer: A.Klimyk
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Homotopy classification of families of one-dimensional singular operators with piecewise continuous coefficients. (English. Russian original) Zbl 0622.47008

Sov. Math., Dokl. 34, 100-103 (1987); translation from Dokl. Akad. Nauk SSSR 289, 521-524 (1986).
Reviewer: M.Putinar
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On the spectrum of C*-algebras generated by pseudodifferential operators with isolated singularities of symbols. (English. Russian original) Zbl 0497.35084

Sov. Math., Dokl. 24, 686-689 (1981); translation from Dokl. Akad. Nauk SSSR 261, 1304-1306 (1981).
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