%0 Journal Article %A Chiang, Yik-Man %A Ismail, Mourad E. H. %T On Value Distribution Theory of Second Order Periodic ODEs, Special Functions and Orthogonal Polynomials %J Canadian journal of mathematics %D 2006 %P 726-767 %V 58 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2006-030-x/ %R 10.4153/CJM-2006-030-x %F 10_4153_CJM_2006_030_x