LEADER 01225nam a2200337 i 4500 001 991000703549707536 005 20020507172504.0 008 980113s1987 us ||| | eng 020 $a0387965130 035 $ab10745488-39ule_inst 035 $aLE01300970$9ExL 040 $aDip.to Matematica$beng 082 0 $a515.355 084 $aAMS 34C15 084 $aQA1.A647 100 1 $aGrasman, Johan$0534725 245 10$aAsymptotic methods for relaxation oscillations and applications /$cJohan Grasman 260 $aNew York :$bSpringer-Verlag,$cc1987 300 $axiii, 221 p. :$bill. ;$c24 cm. 490 0 $aApplied mathematical sciences ;$v63 500 $aIncludes indexes. 500 $aBibliography: p. [201]-213 650 4$aAsymptotic expansions 650 4$aNonlinear differential equations-Asymptotic theory 650 4$aOscillations 907 $a.b10745488$b23-02-17$c28-06-02 912 $a991000703549707536 945 $aLE013 34C GRA11 (1987)$g1$i2013000092546$lle013$o-$pE0.00$q-$rl$s- $t0$u0$v0$w0$x0$y.i10837553$z28-06-02 996 $aAsymptotic methods for relaxation oscillations and applications$9910627 997 $aUNISALENTO 998 $ale013$b01-01-98$cm$da $e-$feng$gus $h0$i1