@article{ZNSL_2012_400_a4,
     author = {S. V. Vostokov and V. V. Volkov and G. K. Pak},
     title = {The {Hilbert} symbol of a~polynomial formal group},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {127--132},
     publisher = {mathdoc},
     volume = {400},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2012_400_a4/}
}