%0 Journal Article %A A. N. Sherstnev %T Summer Mathematical School on Non-Commutative Probability Theory %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1972 %V 27 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1972_27_1_a23/ %G ru %F RM_1972_27_1_a23