TY - JOUR AU - A. I. Zobnin TI - Differential standard bases under composition JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2007 SP - 109 EP - 134 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2007_13_1_a6/ LA - ru ID - FPM_2007_13_1_a6 ER -