00465nam a2200133Ia 4500 250813b |||||||| |||| 00| 0 eng d 516 H552.DG Hermann, Robert 9208 Differential geometry and the calculus of variations / New York: Academic Press, 1968 x, 440p. Mathematics in Science and Engineering, a series of monographs and textbooks ; 49 9209 ddc BK 0 0 0 516_000000000000000_H552_DG 0 15214 ISI ISI 1998-09-21 0 516 H552.DG DP3359 2019-02-14 00:00:00 BK 12521 12521