TY  - JOUR
AU  - A. V. Babin
TI  - On the expression of a~solution of the equation $Au=h$ in terms of iterations of the unbounded operator $A$, and the weighted approximation of functions
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1979
SP  - 195
VL  - 34
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1979_34_3_a4/
LA  - en
ID  - RM_1979_34_3_a4
ER  -