TY - JOUR AU - V. A. Abilov AU - M. K. Kerimov TI - Sharp estimates for the convergence rate of double Fourier series in terms of orthogonal polynomials in the space $L_2((a,b)\times(c,d);p(x)q(y)))$ JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2009 SP - 1364 EP - 1368 VL - 49 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_8_a1/ LA - ru ID - ZVMMF_2009_49_8_a1 ER -