TY - JOUR AU - M. V. Shamolin TI - The definition of relative robustness and a~two-parameter family of phase portraits in the dynamics of a~rigid body JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1996 SP - 165 EP - 166 VL - 51 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1996_51_1_a17/ LA - en ID - RM_1996_51_1_a17 ER -