@article{FAA_1976_10_1_a2,
     author = {A. M. Gabri\`elov and I. M. Gel'fand and M. V. Losik},
     title = {A local combinatorial formula for the first class of {Pontryagin}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {14--17},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1976_10_1_a2/}
}