@article{MZM_1983_34_2_a1,
     author = {N. T. Vorob'ev},
     title = {A criterion for the locality of formation products},
     journal = {Matemati\v{c}eskie zametki},
     pages = {165--170},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_2_a1/}
}