TY - JOUR AU - A. M. Vershik TI - Krein Duality, Positive 2-Algebras, and Dilation of Comultiplications JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2007 SP - 24 EP - 43 VL - 41 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2007_41_2_a2/ LA - ru ID - FAA_2007_41_2_a2 ER -