%0 Journal Article %A Jerzy Ryczaj %T $C^k$-estimates for the Cauchy-Riemann equations on certain weakly pseudoconvex domains %J Colloquium Mathematicum %D 1987 %P 289-304 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-52-2-289-304/ %R 10.4064/cm-52-2-289-304 %G en %F 10_4064_cm_52_2_289_304