TY - JOUR AU - I. D. Shkredov TI - On a two-dimensional analogue of Szemerédi's theorem in Abelian groups JO - Izvestiya. Mathematics PY - 2009 SP - 1033 EP - 1075 VL - 73 IS - 5 UR - http://geodesic.mathdoc.fr/item/IM2_2009_73_5_a6/ LA - en ID - IM2_2009_73_5_a6 ER -