LEADER 01219nam a2200337 i 4500 001 991000883889707536 005 20020507175207.0 008 940711s1983 us ||| | eng 020 $a3764331038 035 $ab10770732-39ule_inst 035 $aLE01303791$9ExL 040 $aDip.to Matematica$beng 082 0 $a515.64 084 $aAMS 49-XX 084 $aAMS 58A15 084 $aQA316.G84 100 1 $aGriffith, Phillip A.$055674 245 10$aExterior differential systems and the calculus of variations /$cPhillip A. Griffiths 260 $aBoston :$bBirkhauser,$c1983 300 $aviii, 335 p. :$bill. ;$c24 cm 490 0 $aProgress in mathematics [Birkhauser],$xISSN 0743-1643;$v25 500 $aBibliography: p. 332-335 500 $aIncludes index 650 4$aCalculus of variations 650 4$aExterior differential systems 907 $a.b10770732$b23-02-17$c28-06-02 912 $a991000883889707536 945 $aLE013 49-XX GRI11 (1983)$g1$i2013000000565$lle013$o-$pE0.00$q-$rl$s- $t0$u2$v0$w2$x0$y.i10869153$z28-06-02 996 $aExterior differential systems and the calculus of variations$9922533 997 $aUNISALENTO 998 $ale013$b01-01-94$cm$da $e-$feng$gus $h0$i1