TY  - JOUR
AU  - Yakubov,  Sasun
TI  - Denseness of domains of differential operators in Sobolev spaces
JO  - Electronic journal of differential equations
PY  - 2002
VL  - 2002
UR  - http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a154/
LA  - en
ID  - EJDE_2002__2002__a154
ER  -