TY - JOUR AU - V. S. Samovol TI - Smooth equivalence of differential equations, and linear automorphisms JO - Matematičeskie zametki PY - 1999 SP - 567 EP - 578 VL - 66 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1999_66_4_a11/ LA - ru ID - MZM_1999_66_4_a11 ER -