TY - JOUR AU - Dimitar P. Tsvetkov TI - Asymptotic Bifurcation in Systems for Control with Delay JO - Mathematica balkanica PY - 1992 SP - 375 VL - 6 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1992_6_4_a9/ ID - MABA_1992_6_4_a9 ER -