@article{ZNSL_2010_374_a11,
     author = {A. V. Sokolov},
     title = {Factorization of nonlinear supersymmetry in one-dimensional {Quantum} {Mechanics~III:} precise classification of irreducible intertwining operators},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {213--249},
     publisher = {mathdoc},
     volume = {374},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2010_374_a11/}
}