TY  - JOUR
AU  - D. Yu. Grigor'ev
TI  - Complexity of factoring and GCD calculating for linear ordinary differential operators
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1989
SP  - 68
EP  - 103
VL  - 176
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1989_176_a2/
LA  - ru
ID  - ZNSL_1989_176_a2
ER  -