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  2. M. Boiti, F. Pempinelli, A. Pogrebkov, “Dressing of a two-dimensional nontrivial potential”, Physica D: Nonlinear Phenomena, 87:1-4 (1995), 123  crossref
  3. Theoret. and Math. Phys., 99:2 (1994), 511–522  mathnet  crossref  mathscinet  zmath  isi
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