@article{ZNSL_1976_57_a7,
     author = {A. N. Kirillov},
     title = {Commutative formal groups},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {117--124},
     publisher = {mathdoc},
     volume = {57},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_57_a7/}
}