TY - JOUR AU - Kaczynski, Tomasz AU - Xia, Huaxing TI - Hopf Bifurcation for Implicit Neutral Functional Differential Equations JO - Canadian mathematical bulletin PY - 1993 SP - 286 EP - 295 VL - 36 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1993-041-x/ DO - 10.4153/CMB-1993-041-x ID - 10_4153_CMB_1993_041_x ER -