%0 Journal Article %A W.A. AL-SALAM %T On the product of two Legendre polynomials %J Mathematica Scandinavica %D 1956 %P 239-242 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1956__4_165628/ %F MS2_1956__4_165628