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Found 18 Documents (Results 1–18)

On unique solvability of the plane Neumann-Kelvin problem. (English. Russian original) Zbl 0699.35042

Math. USSR, Sb. 63, No. 2, 425-446 (1989); translation from Mat. Sb., Nov. Ser. 135(177), No. 4, 440-462 (1988).
MSC:  35G15 35B40 76B20 35Q99 35A05 35Q30
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Round Morse functions and isoenergy surfaces of integrable Hamiltonian systems. (English. Russian original) Zbl 0673.58023

Math. USSR, Sb. 63, No. 2, 319-336 (1989); translation from Mat. Sb., Nov. Ser. 135(177), No. 3, 325-345 (1988).
Reviewer: E.D.Belokolos
MSC:  37J35 37K10 58E05
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On qualitative properties of solutions of a nonlinear equation of second order. (English. Russian original) Zbl 0669.35041

Math. USSR, Sb. 63, No. 2, 337-350 (1989); translation from Mat. Sb., Nov. Ser. 135(177), No. 3, 346-360 (1988).
MSC:  35J65 35A20 35B65
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On a vectorial Riemann boundary value problem with infinite defect numbers, and related factorization of matrix-valued functions. (English. Russian original) Zbl 0669.30030

Math. USSR, Sb. 63, No. 2, 521-538 (1989); translation from Mat. Sb., Nov. Ser. 135(177), No. 4, 533-550 (1988).
MSC:  30E25
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On some boundary properties of bounded analytic functions and the maximum modulus principle in domains of arbitrary connectivity. (English. Russian original) Zbl 0745.30035

Math. USSR, Sb. 63, No. 2, 483-498 (1989); translation from Mat. Sb., Nov. Ser. 135(177), No. 4, 497-513 (1988).
MSC:  30D40 46J20
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