Bender and Orszag is probably the most approachable book and is what I learned from as well. The references given in Bender and Orszag is where I would go from here, unless you have very specific knowledge of what properties your system has, in which I may be able to suggest more specific references.

Are you looking for more specific refs on bifurcation theory? If you tell me more about your specific problem, I can do that.

Bender and Orszag is probably the most approachable book and is what I learned from as well. The references given in Bender and Orszag are where I would go from here, unless you have very specific knowledge of what properties your system has, in which I may be able to suggest more specific references.

Are you looking for more specific refs on bifurcation theory? If you tell me more about your specific problem, I can do that.