00463nam a2200157 a 450000500170000002000150001708200170003210000230004910000240007224500550009626000360015130000340018749000380022163000230025963000230028220251202164123.0  a0387909990  a515.353bGOL  aGolubitsky, Martin  aSchaeffer, David G.  aSingularities and groups in bifurcation theory,v.1  aNew YorkbSpringer-Verlagc1985  axvii, 463p.b114 ill., 22 cm.  aApplied mathematical sciencesd51  aBifurcation theory  aSingularity throry