3 citations to https://www.mathnet.ru/eng/vmumm876
  1. Fritz Gesztesy, Roger Nichols, “A generalized Birman–Schwinger principle and applications to one-dimensional Schrödinger operators with distributional potentials”, Funct. Anal. Appl., 59:3 (2025), 224–250  mathnet  crossref  crossref  isi
  2. R. Ch. Kulaev, A. A. Urtaeva, “Sturm Separation Theorems for a Fourth-Order Equation on a Graph”, Math. Notes, 111:6 (2022), 977–981  mathnet  crossref  crossref  mathscinet
  3. J. Ben Amara, A. A. Vladimirov, A. A. Shkalikov, “Spectral and Oscillatory Properties of a Linear Pencil of Fourth-Order Differential Operators”, Math. Notes, 94:1 (2013), 49–59  mathnet  crossref  crossref  mathscinet  zmath  isi  elib  elib