@article{DE_1998_34_8_a18,
     author = {M. V. Tuvaev},
     title = {A ``dead zone'' theorem for the {Neumann} problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1140--1141},
     publisher = {mathdoc},
     volume = {34},
     number = {8},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_8_a18/}
}