%0 Journal Article %A S. V. Ovchinnikov %T Positive-definite functions on Chevalley groups %J Funkcionalʹnyj analiz i ego priloženiâ %D 1971 %P 91-92 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1971_5_1_a17/ %G ru %F FAA_1971_5_1_a17