TY  - JOUR
AU  - E. S. Sinaiskii
TI  - Simultaneous approximation of the solution and its derivatives in a boundary value problem for a linear differential equation with polynomial coefficients
JO  - Izvestiya. Mathematics 
PY  - 1992
SP  - 553
EP  - 573
VL  - 38
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1992_38_3_a5/
LA  - en
ID  - IM2_1992_38_3_a5
ER  -