@article{ZNSL_2007_344_a5,
     author = {A. L. Chistov},
     title = {Polynomial-time computation of the degree of a
},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {203--239},
     publisher = {mathdoc},
     volume = {344},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2007_344_a5/}
}