@article{ZNSL_1984_134_a12,
     author = {S. A. Stepanov},
     title = {Rational trigonometric sums along a~curve},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {232--251},
     year = {1984},
     volume = {134},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1984_134_a12/}
}