@article{DE_1993_29_7_a4,
     author = {I. G. Beluhina},
     title = {On the analysis of the accuracy of linear triangular elements for problems in the theory of elasticity with singularities of crack type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1137--1143},
     publisher = {mathdoc},
     volume = {29},
     number = {7},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_7_a4/}
}