00289nam a2200121Ia 4500082001700000100002300017245003000040260003400070300001400104490003900118500000500157700000500162  a516bW322.SU  aWassermann, Gordon  aStability of unfoldingsb  aBerlinbSpringer-Verlagc1974  aix, 164p.  aLecture notes in Mathematicsv 393  a  a