@article{TM_1999_224_a19,
     author = {M. M. Postnikov},
     title = {Naturalness and {Totality} of {Cohomology} {Operations}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {306--310},
     publisher = {mathdoc},
     volume = {224},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1999_224_a19/}
}