LEADER 01418nam a2200361 i 4500 001 991001283649707536 005 20020507113838.0 008 970308s1988 ||| ||| | eng 020 $a9971506637 035 $ab10199020-39ule_inst 035 $aLE00645188$9ExL 040 $aDip.to Fisica$bita 084 $a53(082.2) 084 $a53.1.34 084 $a510.35 084 $a530.1'5 084 $aQC20.7.N6I54 111 2 $aConference on symmetries and nonlinear phenomena$0464190 245 10$aSymmetries and nonlinear phenomena :$bproceedings of the International School on Applied Mathematics, Paipa, Colombia, February 22-26, 1988 /$cD. Levi, P. Winternitz (eds.) 260 $aSingapore :$bWorld Scientific,$cc1988 300 $axi, 458 p. :$bill. ;$c23 cm. 490 0 $aCIF Series ;$v9 500 $aIncludes bibliographical references and index. 650 4$aGroup theory$xCongresses 700 1 $aLevi, Decio$eauthor$4http://id.loc.gov/vocabulary/relators/aut$0463186 700 1 $aWinternitz, Pavel 710 2 $aInternational School on Applied Mathematics 907 $a.b10199020$b17-02-17$c27-06-02 912 $a991001283649707536 945 $aLE006 53.1.3 LEV$g1$i2006000040938$lle006$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10245765$z27-06-02 996 $aSymmetries and nonlinear phenomena$91445109 997 $aUNISALENTO 998 $ale006$b01-01-97$cm$da $e-$feng$gxx $h0$i1