@article{VMUMM_1984_6_a6,
     author = {Yu. B. Rudyak and A. V. Khokhlov},
     title = {Higher cohomology operations on {Thom} classes},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {26--31},
     year = {1984},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1984_6_a6/}
}