@article{ZNSL_2010_374_a9,
     author = {S. E. Derkachev and D. I. Chicherin},
     title = {Green function in the quantum {Coulomb} problem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {170--196},
     publisher = {mathdoc},
     volume = {374},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2010_374_a9/}
}