La Classification Mathématique par matières 2000 Mathematics subject Classification 2000 Query : CC = 58G28 58G28 : invalid MSC 1991 code for the MSC 2000 ! MSC 1991 section : BifurcationsMSC 2000 code in relation : 58J55 Bifurcation [See also 35B32] Keyword : Back to the Mathematics Subject Classification (version 2000)