%0 Journal Article %A V. P. Motornyi %T On the mean convergence of Fourier series in Legendre polynomials %J Izvestiya. Mathematics %D 1973 %P 131-144 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_1_a5/ %G en %F IM2_1973_7_1_a5