000 00312nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a516.7 H552
100 _aHERMANN,R
245 0 _aDIFFERNTIAL GEOMETRY AND CALCULUS OF VARIATIONS
260 _aNEW YORK
_bACADEMIC
_c1968
300 _a23X15
942 _cBK
_2DDC
999 _c13999
_d13999