@article{ZNSL_1991_191_a1,
     author = {D. G. Benois and S. V. Vostokov},
     title = {Arithmetic of group of points of formal group},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {9--23},
     publisher = {mathdoc},
     volume = {191},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1991_191_a1/}
}