%0 Journal Article
%A D.H. Tucker
%A R.J. Easton
%A S. Wayment
%T On the Existence Almost Everywhere of the Cross Partial Derivatives.
%J Mathematische Zeitschrift
%D 1967
%P 171-176
%V 102
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1967__102_170868/
%F MZ_1967__102_170868