Geodesic
On spectral problem for one equation of high even order
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2016), pp. 44-54

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We study an eigenvaule problem for an equation of even order in a rectangular domain. We investigate problems on distribution and asymptotics of eigenvalues and dependence of an eigenvalue on the change of potential $q(x,y)$.
Keywords: eigenvalues, eigenfunctions, distribution and asymptotics of eigenvalues, Green function, completeness of a system of eigenfunctions. 
@article{IVM_2016_7_a5,
     author = {B. Yu. Irgashev},
     title = {On spectral problem for one equation of high even order},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {44--54},
     publisher = {mathdoc},
     number = {7},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2016_7_a5/}
}
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B. Yu. Irgashev. On spectral problem for one equation of high even order. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (2016), pp. 44-54. http://geodesic.mathdoc.fr/item/IVM_2016_7_a5/