LEADER 01124nam a2200325 i 4500 001 991000814769707536 005 20020506124608.0 008 960712s1993 us ||| | eng 020 $a0387940073 035 $ab10133434-39ule_inst 035 $aLE00637294$9ExL 040 $aDip.to Fisica$bita 084 $a510.20 084 $a510.22 084 $a510.35 084 $aQA372.055 100 1 $aOlver, Peter J.$040590 245 10$aApplications of Lie groups to differential equations /$cPeter J. Olver 250 $a2nd ed 260 $aNew York :$bSpringer-Verlag,$c1993 300 $axxviii, 513 p. ;$c23 cm. 490 0 $aGraduate texts in mathematics ;$v107 500 $aIncludes bibliographical references and index. 650 4$aDifferential equations 907 $a.b10133434$b17-02-17$c27-06-02 912 $a991000814769707536 945 $aLE006 510.20 OLV$g1$i2006000063142$lle006$o-$pE0.00$q-$rl$s- $t0$u10$v1$w10$x0$y.i10156914$z27-06-02 996 $aApplications of Lie groups to differential equations$9185944 997 $aUNISALENTO 998 $ale006$b01-01-96$cm$da $e-$feng$gus $h0$i1