TY - JOUR AU - A. V. Purgin TI - Distributive and geometric lattices of right divisors of linear ordinary differential operators JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2009 SP - 575 EP - 576 VL - 64 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2009_64_3_a7/ LA - en ID - RM_2009_64_3_a7 ER -