@article{DE_2001_37_10_a1,
     author = {A. V. Setukha},
     title = {The {Neumann} {Problem} with {Boundary} {Condition} on an {Open} {Plane} {Surface}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1311--1329},
     publisher = {mathdoc},
     volume = {37},
     number = {10},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_10_a1/}
}