TY  - JOUR
AU  - V. M. Filippov
AU  - A. N. Tischenko
TI  - The direct variational method for operator equations $u^{(k)}+C^mu=f$, $k=1,2$; $m\in\mathbf N$
JO  - Differencialʹnye uravneniâ
PY  - 1992
SP  - 1642
EP  - 1643
VL  - 28
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1992_28_9_a24/
LA  - ru
ID  - DE_1992_28_9_a24
ER  -