@article{MZM_1996_60_4_a20,
     author = {Nguyen Manh Hung},
     title = {The {Neumann} problem for nonstationary systems in tubular domains},
     journal = {Matemati\v{c}eskie zametki},
     pages = {631--634},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_60_4_a20/}
}