@article{ZNSL_2004_319_a0,
     author = {M. V. Bondarko and S. V. Vostokov and F. Lorenz},
     title = {The {Hilbert} pairing for formal groups over $\sigma$-rings},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--58},
     publisher = {mathdoc},
     volume = {319},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2004_319_a0/}
}