@article{VMUMM_1989_2_a4,
     author = {Yu. I. Manin},
     title = {Multiplicative matrices in {Hopf} superalgebras},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {13--17},
     year = {1989},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_2_a4/}
}