%0 Journal Article %T Yurii Ivanovich Manin (on his fiftieth birthday) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1987 %P 163 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1987_42_4_a12/ %G en %F RM_1987_42_4_a12