@article{ZNSL_1986_151_a2,
     author = {A. B. Voronetskii},
     title = {Singular series of genus~2 for sums of squares},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {26--39},
     publisher = {mathdoc},
     volume = {151},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1986_151_a2/}
}