TY - JOUR AU - Alexander A. Razborov TI - On the Fon-Der-Flaass interpretation of extremal examples for Tur\'an's $(3,4)$-problem JO - Informatics and Automation PY - 2011 SP - 269 EP - 290 VL - 274 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2011_274_a14/ LA - ru ID - TRSPY_2011_274_a14 ER -