@article{MM_1991_3_2_a7,
     author = {I. G. Beluhina},
     title = {On grid approximation accuracy of the elastisity theory problems with singularities of crack type},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {108--118},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1991_3_2_a7/}
}