TY - JOUR AU - Hanno Rund TI - A Canonical Formalism for Multiple Integral Problems in the Calculus of Variation. (Short Communication). JO - Aequationes mathematicae PY - 1968 SP - 211 EP - 212 VL - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1968__1_135971/ ID - AM2_1968__1_135971 ER -