@article{AA_1989_1_2_a1,
     author = {V. G. Drinfeld},
     title = {Almost cocommutative {Hopf} algebras},
     journal = {Algebra i analiz},
     pages = {30--46},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1989_1_2_a1/}
}