%0 Journal Article %A Alexander A. Razborov %T On the Fon-Der-Flaass interpretation of extremal examples for TurĂ¡n's $(3,4)$-problem %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2011 %P 269-290 %V 274 %U http://geodesic.mathdoc.fr/item/TM_2011_274_a14/ %G ru %F TM_2011_274_a14