@article{IM2_1983_20_1_a0,
     author = {V. M. Buchstaber and A. N. Kholodov},
     title = {Topological constructions connected with many-valued formal groups},
     journal = {Izvestiya. Mathematics},
     pages = {1--25},
     year = {1983},
     volume = {20},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1983_20_1_a0/}
}