TY  - JOUR
AU  - A. A. Klyachin
TI  - On  $C^1$-convergence of piecewise polynomial solutions to  a  fourth order variational equation
JO  - Ufa mathematical journal
PY  - 2022
SP  - 60
EP  - 69
VL  - 14
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UFA_2022_14_3_a6/
LA  - en
ID  - UFA_2022_14_3_a6
ER  -