TY - JOUR AU - Hanno Rund TI - Conservation Criteria, Canonical Transformations, and Integral Invariants in the Field Theory of Carathéodory for Multiple Integral Variational Problems. (Short Communication). JO - Aequationes mathematicae PY - 1975 SP - 113 EP - 114 VL - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1975__12_136494/ ID - AM2_1975__12_136494 ER -