TY  - JOUR
AU  - S. I. Repin
TI  - A~posteriori estimates for the accuracy of variational methods for problems with nonconvex functionals
JO  - Algebra i analiz
PY  - 1999
SP  - 151
EP  - 182
VL  - 11
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1999_11_4_a6/
LA  - ru
ID  - AA_1999_11_4_a6
ER  -