00387nam a2200121 a 450000500170000002000150001708200200003210000190005224500420007126000710011330000180018449000630020220251203090448.0  a0898711827  a531.33,bD, sat  aSattinger, D.H  aBranching in the presence of symmetry  aPhiladelphiabSociety for industrial and applied mathematicsc1983  avii,73p, 22cm  aCBMS-NSF regional conference series in applied mathematics