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Generalized hopf bifurcation and h-asymptotic stabilityS.R. Bernfeld; L. Salvadori · 1980
System identification problems and the method of momentsJ. Eisenfeld; S.R. Bernfeld; S.W. Cheng · 1977
Dynamical Systems || FIXED POINT THEOREMS FOR NONLINEAR FUNCTIONAL OPERATORSBernfeld, S.R. · 1977
Discrete dynamical systems and bifurcation for periodic differential equationsS.R. Bernfeld; L. Salvadori; F. Visentin · 1988
Exchange of stability of an equilibrium of homogeneous planar differential systemsS.R. Bernfeld · 1995
Hopf bifurcation and related stability problems for periodic differential systemsS.R. Bernfeld; L. Salvadori; F. Visentin · 1986
Total Stability of Scalar Differential Equations Determined from Their Limiting FunctionsPatricia Anderson; S.R. Bernfeld · 2001
On the construction of a norm associated with the measure of noncompactnessJ. Eisenfeld; V. Lakshmikantham; S.R. Bernfeld · 1976