%0 Journal Article %A Kaczynski, Tomasz %A Krawcewicz, Wieslaw %T A Local Hopf Bifurcation Theorem for a Certain Class of Implicit Differential Equations %J Canadian mathematical bulletin %D 1993 %P 183-189 %V 36 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-027-0/ %R 10.4153/CMB-1993-027-0 %F 10_4153_CMB_1993_027_0