000 | 00449nmm a2200145Ia 4500 | ||
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008 | 230201s9999||||xx |||||||||||||||||und|| | ||
020 | _a9781461581666 | ||
100 | _aP.A. Griffiths | ||
245 | 0 | _aExterior Differential Systems and the Calculus of Variations | |
250 | _a1983 | ||
260 |
_bBirkhäuser Boston _c1983 |
||
440 | _aProgress in Mathematics | ||
650 | _aMathematics and Statistics | ||
856 | _uhttps://doi.org/10.1007/978-1-4615-8166-6 | ||
999 |
_c23772 _d23772 |