TY - JOUR AU - G. A. Leonov TI - On estimates of the bifurcation values of the parameters of a~Lorentz system JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1988 SP - 216 EP - 217 VL - 43 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1988_43_3_a14/ LA - en ID - RM_1988_43_3_a14 ER -