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@article{FAA_1978_12_4_a8, author = {\'E. G. Gismann}, title = {Product formulas for the {Nilsen} numbers of bundle maps}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {81--82}, publisher = {mathdoc}, volume = {12}, number = {4}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1978_12_4_a8/} }
É. G. Gismann. Product formulas for the Nilsen numbers of bundle maps. Funkcionalʹnyj analiz i ego priloženiâ, Tome 12 (1978) no. 4, pp. 81-82. http://geodesic.mathdoc.fr/item/FAA_1978_12_4_a8/