TY - JOUR AU - TANIGUCHI, TETSUYA AU - UDAGAWA, SEIICHI TI - CHARACTERIZATIONS OF RICCI FLAT METRICS AND LAGRANGIAN SUBMANIFOLDS IN TERMS OF THE VARIATIONAL PROBLEM JO - Glasgow mathematical journal PY - 2015 SP - 643 EP - 651 VL - 57 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089514000536/ DO - 10.1017/S0017089514000536 ID - 10_1017_S0017089514000536 ER -