TY  - JOUR
AU  - I. L. Makarov
TI  - Exact and truncated variational schemes in the case of a selfadjoint spectral problem for a fourth-order equation
JO  - Differencialʹnye uravneniâ
PY  - 1996
SP  - 670
EP  - 675
VL  - 32
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1996_32_5_a12/
LA  - ru
ID  - DE_1996_32_5_a12
ER  -