%0 Journal Article %A Shackell, John %T On a Problem of Rubel Concerning the Set of Functions Satisfying All the Algebraic Differential Equations Satisfied by a Given Function %J Canadian mathematical bulletin %D 1998 %P 214-224 %V 41 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1998-031-0/ %R 10.4153/CMB-1998-031-0 %F 10_4153_CMB_1998_031_0