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    • On the eigenvalue problem for elliptic operator with variable coefficients and integral boundary conditions 

      Štikonienė, Olga; Čiupaila, Regimantas; Jokšienė, Živilė; Sapagovas, Mifodijus (Mathematical Modelling and Analysis : 20th International Conference "Mathematical Modelling and Analysis" (MMA2015) : May 26-29 2015, Sigulda, Latvia : Abstracts / European Consortium for Mathematics in Industry (ECMI). Faculty of Physics and Mathematics of University of Latvia. Latvian Mathematical Society. Institute of Mathematics and Computer Science of University of Latvia and Vilnius Gediminas Technical University, 2015)
      The talk deals with further development of the structure of spectrum for two-dimensional operator with integral conditions: [...]. Note, that in the case of p₁ = p₂ = α = β = 1, the spectrum of this operator consists only ...