TY - BOOK AU - Golubitsky Martin ed. ED - AMS-IMS-SIAM Joint Summer Research Conference in the Mathematical Sciences on Multiparameter Birfurcation Theory( 1986 : Arcata ) ED - TI - Multiparameter Bifurcation theory: proceedings U1 - 510 PY - 1986/// CY - Providence PB - A M S KW - Bifurcation theory ER -