%0 Journal Article %A Miroslav Chlebik %A Josef Král %T Removability of the wave singularities in the plane. %J Aequationes mathematicae %D 1994 %P 123-142 %V 47 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1994__47_2-3_137576/ %F AM2_1994__47_2-3_137576