@article{FAA_2007_41_2_a2,
     author = {A. M. Vershik},
     title = {Krein {Duality,} {Positive} {2-Algebras,} and {Dilation} of {Comultiplications}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {24--43},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2007_41_2_a2/}
}