@article{MZM_1968_4_6_a0,
     author = {E. A. Volkov},
     title = {On the inevitable error of the method of nets},
     journal = {Matemati\v{c}eskie zametki},
     pages = {621--627},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_6_a0/}
}