TY - JOUR AU - E.T. DAVIES TI - A Geometrical Theory of Multiple Integral Problems in the Calculs of Variations (Short Communication) JO - Aequationes mathematicae PY - 1971 SP - 114 EP - 114 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1971__7_136232/ LA - en ID - AM2_1971__7_136232 ER -