32 citations to https://www.mathnet.ru/eng/dan26607
  1. A. A. Shkalikov, “On the basis problem of the eigenfunctions of an ordinary differential operator”, Russian Math. Surveys, 34:5 (1979), 249–250  mathnet  crossref  mathscinet  zmath
  2. B. V. Pal'tsev, “Expansion in eigenfunctions of integral operators of convolution on a finite interval with kernels whose Fourier transforms are rational. “Weakly” nonselfadjoint regular kernels”, Math. USSR-Izv., 6:3 (1972), 587–630  mathnet  crossref  mathscinet  zmath
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