LEADER 01040nam a2200277 i 4500 001 991000788539707536 005 20020507173613.0 008 950503s1958 us ||| | eng 035 $ab10757442-39ule_inst 035 $aLE01302341$9ExL 040 $aDip.to Matematica$beng 082 0 $a531.322 084 $aAMS 70K 100 1 $aAntosiewicz, H. A.$0535028 245 10$aContributions to the theory of nonlinear oscillations /$cH. Antosiewicz ... [et al.] ; edited by S. Lefschetz 260 $aPrinceton :$bPrinceton Univ. Press,$c1958 300 $av. ;$c24 cm. 490 0 $aAnnals of mathematics studies ;$v41 650 0$aNonlinear motions 700 1 $aLefschetz, Solomon 907 $a.b10757442$b23-02-17$c28-06-02 912 $a991000788539707536 945 $aLE013 70K LEF11 (1958)$g1$i2013000028064$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10851938$z28-06-02 996 $aContributions to the theory of nonlinear oscillations$9923003 997 $aUNISALENTO 998 $ale013$b01-01-95$cm$da $e-$feng$gus $h0$i1