TY - JOUR AU - D. Yu. Grigor'ev TI - Complexity of solving linears systems in the rings of differential operators JO - Zapiski Nauchnykh Seminarov POMI PY - 1991 SP - 47 EP - 60 VL - 192 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1991_192_a1/ LA - ru ID - ZNSL_1991_192_a1 ER -