@article{FAA_1987_21_3_a3,
     author = {M. V. Losik},
     title = {Characteristic classes of structures on manifolds},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {38--52},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1987_21_3_a3/}
}