%0 Journal Article %A N. T. Tynyanskii %T Conjugate concave-convex functions in linear topological spaces and their saddle points %J Sbornik. Mathematics %D 1969 %P 503-531 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1969_7_4_a3/ %G en %F SM_1969_7_4_a3