TY  - JOUR
AU  - V. P. Il'in
TI  - Estimate of error in the Ritz method for ordinary differential equations
JO  - Informatics and Automation
PY  - 1959
SP  - 43
EP  - 63
VL  - 53
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1959_53_a4/
LA  - ru
ID  - TRSPY_1959_53_a4
ER  -