%0 Journal Article %A Leonard, Douglas A. %T Rational functions and association scheme parameters %J Journal of Algebraic Combinatorics %D 1997 %P 269-277 %V 6 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_1997__6_3_a2/ %G en %F JAC_1997__6_3_a2