%0 Journal Article %A S. A. Evdokimov %A I. N. Ponomarenko %T Schemes of relations of the finite projective plane, and their extensions %J Algebra i analiz %D 2009 %P 90-132 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2009_21_1_a3/ %G ru %F AA_2009_21_1_a3