@article{IVM_1981_11_a8,
     author = {E. K. Chistov},
     title = {Variational-grid approximation on a~regular triangular grid},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {58--63},
     publisher = {mathdoc},
     number = {11},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_11_a8/}
}