%0 Journal Article %A Lewis, John L. %T On critical points of $p$ harmonic functions in the plane %J Electronic Journal of Differential Equations %D 1994 %V 1994 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1994__1994_3_a0/ %G en %F EJDE_1994__1994_3_a0