@article{TIMM_2015_21_4_a6,
     author = {N. V. Baidakova},
     title = {A triangular finite element with new approximation properties},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {67--77},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2015_21_4_a6/}
}