00412nam a2200121Ia 4500082002000000100004200020245008200062260003600144300003100180490004300211500000500254700003100259  a515.35bG921.NO  aGuckenheimer, John and Holmes, Philip  aNonlinear oscillations, dynamical systems and bifurcations of vector fieldsb  aNew YorkbSpringer-Verlagc1983  axvi, 453p. Index, Glossary  aApplied Mathematical Sciences v v. 42  a  aHolmes, Philip ; jt. auth.