@article{ZNSL_1995_221_a13,
     author = {S. I. Repin},
     title = {A priori error estimates of variational-difference methods for {Hencky} plasticity problems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {226--234},
     year = {1995},
     volume = {221},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1995_221_a13/}
}