@article{DE_1995_31_7_a6,
     author = {I. G. Beluhina},
     title = {On the accuracy of a quasipoint contact problem on regular triangular grids},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1170--1173},
     publisher = {mathdoc},
     volume = {31},
     number = {7},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_7_a6/}
}