00322nam a2200121Ia 4500082001700000100003400017245004100051260002500092300001000117490003700127500000500164700003100169  a516bP857.TE  aPoston, T. and Stewart, I. N.  aTaylor expansions and Catastrophesb  aLondonbPitmanc1976  a168p.  aResearch notes in Mathematics, 7  a  aStewart, I. N. ; jt. auth.