%0 Journal Article %A Goodman, Ruth %T Sets of Polynomials Orthogonal Simultaneously on Four Ellipses %J Canadian journal of mathematics %D 1968 %P 1281-1294 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-126-9/ %R 10.4153/CJM-1968-126-9 %F 10_4153_CJM_1968_126_9